79720612 has 24 divisors (see below), whose sum is σ = 141063552. Its totient is φ = 39420000.

The previous prime is 79720583. The next prime is 79720651. The reversal of 79720612 is 21602797.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271938 + ... + 272230.

It is an arithmetic number, because the mean of its divisors is an integer number (5877648).

Almost surely, 2^79720612 is an apocalyptic number.

It is an amenable number.

79720612 is a deficient number, since it is larger than the sum of its proper divisors (61342940).

79720612 is a wasteful number, since it uses less digits than its factorization.

79720612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 79720612 is about 8928.6399860225. The cubic root of 79720612 is about 430.3847502808.

The spelling of 79720612 in words is "seventy-nine million, seven hundred twenty thousand, six hundred twelve".