79397392 has 20 divisors (see below), whose sum is σ = 156736620. Its totient is φ = 38949248.

The previous prime is 79397377. The next prime is 79397399. The reversal of 79397392 is 29379397.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 34292736 = 6716^2 + 5856^2 .

It is not an unprimeable number, because it can be changed into a prime (79397399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45967 + ... + 47662.

It is an arithmetic number, because the mean of its divisors is an integer number (7836831).

Almost surely, 2^79397392 is an apocalyptic number.

It is an amenable number.

79397392 is a deficient number, since it is larger than the sum of its proper divisors (77339228).

79397392 is a wasteful number, since it uses less digits than its factorization.

79397392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93690 (or 93684 counting only the distinct ones).

The product of its digits is 642978, while the sum is 49.

The square root of 79397392 is about 8910.5214213311. The cubic root of 79397392 is about 429.8023104255.

The spelling of 79397392 in words is "seventy-nine million, three hundred ninety-seven thousand, three hundred ninety-two".