76532218 has 32 divisors (see below), whose sum is σ = 138528000. Its totient is φ = 31660272.

The previous prime is 76532191. The next prime is 76532219. The reversal of 76532218 is 81223567.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (76532219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17971 + ... + 21817.

It is an arithmetic number, because the mean of its divisors is an integer number (4329000).

Almost surely, 2^76532218 is an apocalyptic number.

76532218 is a deficient number, since it is larger than the sum of its proper divisors (61995782).

76532218 is a wasteful number, since it uses less digits than its factorization.

76532218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899 (or 3885 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 76532218 is about 8748.2694288642. The cubic root of 76532218 is about 424.5688231427.

It can be divided in two parts, 76532 and 218, that multiplied together give a triangular number (16683976 = T₅₇₇₆).

The spelling of 76532218 in words is "seventy-six million, five hundred thirty-two thousand, two hundred eighteen".