79717012 has 48 divisors (see below), whose sum is σ = 153014400. Its totient is φ = 36191232.

The previous prime is 79717009. The next prime is 79717021. The reversal of 79717012 is 21071797.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400489 + ... + 400687.

It is an arithmetic number, because the mean of its divisors is an integer number (3187800).

Almost surely, 2^79717012 is an apocalyptic number.

It is an amenable number.

79717012 is a deficient number, since it is larger than the sum of its proper divisors (73297388).

79717012 is a wasteful number, since it uses less digits than its factorization.

79717012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 79717012 is about 8928.4383852945. The cubic root of 79717012 is about 430.3782717872.

The spelling of 79717012 in words is "seventy-nine million, seven hundred seventeen thousand, twelve".