👉 The term "totient" is a mathematical concept that refers to the number of positive integers less than or equal to a given integer n that are relatively prime to n. In other words, if we consider the product of all numbers from 1 to n (n!), we can find out how many numbers from 1 to n have no common factors with n. This is often denoted as ζ(n) and is defined as follows: ζ(n) = n! / [(n-
