79631252 has 12 divisors (see below), whose sum is σ = 143121300. Its totient is φ = 38739456.

The previous prime is 79631249. The next prime is 79631323. The reversal of 79631252 is 25213697.

It can be written as a sum of positive squares in 2 ways, for example, as 28879876 + 50751376 = 5374^2 + 7124^2 .

It is a super-2 number, since 2×79631252² = 12682272590175008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268877 + ... + 269172.

It is an arithmetic number, because the mean of its divisors is an integer number (11926775).

Almost surely, 2^79631252 is an apocalyptic number.

It is an amenable number.

79631252 is a deficient number, since it is larger than the sum of its proper divisors (63490048).

79631252 is a wasteful number, since it uses less digits than its factorization.

79631252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538090 (or 538088 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 79631252 is about 8923.6344613616. The cubic root of 79631252 is about 430.2238819721.

The spelling of 79631252 in words is "seventy-nine million, six hundred thirty-one thousand, two hundred fifty-two".