79870372 has 6 divisors (see below), whose sum is σ = 139773158. Its totient is φ = 39935184.

The previous prime is 79870367. The next prime is 79870387. The reversal of 79870372 is 27307897.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 553536 = 8906^2 + 744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9983793 + ... + 9983800.

Almost surely, 2^79870372 is an apocalyptic number.

It is an amenable number.

79870372 is a deficient number, since it is larger than the sum of its proper divisors (59902786).

79870372 is a wasteful number, since it uses less digits than its factorization.

79870372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19967597 (or 19967595 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 79870372 is about 8937.0225466875. The cubic root of 79870372 is about 430.6540829755.

The spelling of 79870372 in words is "seventy-nine million, eight hundred seventy thousand, three hundred seventy-two".