Euler's totient function

Quality:

Euler's totient function - function which gives the number of integers relatively prime to and not greater than its input. Article "Euler's totient function" in Simple English Wikipedia has 20.5 points for quality (as of July 1, 2025). The article contains 3 references and 2 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

In June 2025 the article "Euler's totient function" was edited by 1 authors in Simple English Wikipedia (5101^st place) and written by 8 authors in all languages.

Since the creation of article "Euler's totient function", its content was written by 12 registered users of Simple English Wikipedia and edited by 1383 registered Wikipedia users in all languages.

The article is cited 34 times in Simple English Wikipedia and cited 6867 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #1058 in August 2011
• Global: #517 in December 2001

The highest popularity rank from 2008:

• Local (Simple English): #2871 in May 2017
• Global: #23896 in December 2013

There are 38 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Euler's totient function		68.3626
2	Spanish (es) Función φ de Euler		58.7993
3	Galician (gl) Función totiente de Euler		49.3987
4	Russian (ru) Функция Эйлера		48.068
5	Chinese (zh) 欧拉函数		45.9465
6	Greek (el) Συνάρτηση Όιλερ		39.045
7	Hungarian (hu) Euler-függvény		37.9489
8	French (fr) Indicatrice d'Euler		33.6497
9	Tamil (ta) ஆய்லரின் டோஷண்ட் சார்பு		32.9638
10	Indonesian (id) Fungsi phi Euler		32.2969

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Euler's totient function		4 459 000
2	German (de) Eulersche Phi-Funktion		927 507
3	Russian (ru) Функция Эйлера		850 269
4	Spanish (es) Función φ de Euler		489 403
5	French (fr) Indicatrice d'Euler		455 279
6	Japanese (ja) オイラーのφ関数		430 066
7	Chinese (zh) 欧拉函数		358 937
8	Polish (pl) Funkcja φ		324 008
9	Italian (it) Funzione φ di Eulero		306 497
10	Korean (ko) 오일러 피 함수		180 621

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Euler's totient function		15 625
2	Russian (ru) Функция Эйлера		2 976
3	French (fr) Indicatrice d'Euler		2 105
4	Japanese (ja) オイラーのφ関数		2 064
5	German (de) Eulersche Phi-Funktion		2 021
6	Chinese (zh) 欧拉函数		1 423
7	Spanish (es) Función φ de Euler		1 361
8	Polish (pl) Funkcja φ		1 147
9	Italian (it) Funzione φ di Eulero		995
10	Vietnamese (vi) Hàm phi Euler		677

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Euler's totient function		296
2	German (de) Eulersche Phi-Funktion		130
3	French (fr) Indicatrice d'Euler		118
4	Italian (it) Funzione φ di Eulero		84
5	Russian (ru) Функция Эйлера		77
6	Spanish (es) Función φ de Euler		54
7	Dutch (nl) Indicator (getaltheorie)		54
8	Japanese (ja) オイラーのφ関数		52
9	Polish (pl) Funkcja φ		50
10	Hungarian (hu) Euler-függvény		38

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) Euler's totient function		3
2	Greek (el) Συνάρτηση Όιλερ		1
3	Indonesian (id) Fungsi phi Euler		1
4	Russian (ru) Функция Эйлера		1
5	Simple English (simple) Euler's totient function		1
6	Serbian (sr) Ојлерова фи функција		1
7	Arabic (ar) مؤشر أويلر		0
8	Bulgarian (bg) Функция на Ойлер		0
9	Catalan (ca) Funció φ d'Euler		0
10	Czech (cs) Eulerova funkce		0

The following table shows the language versions of the article with the highest number of citations.

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information