79920744 has 32 divisors (see below), whose sum is σ = 200279520. Its totient is φ = 26576576.

The previous prime is 79920739. The next prime is 79920773. The reversal of 79920744 is 44702997.

It is a junction number, because it is equal to n+sod(n) for n = 79920696 and 79920705.

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, 6874 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (6258735).

Almost surely, 2^79920744 is an apocalyptic number.

It is an amenable number.

79920744 is an abundant number, since it is smaller than the sum of its proper divisors (120358776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79920744 is a wasteful number, since it uses less digits than its factorization.

79920744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969 (or 7965 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 79920744 is about 8939.8402670294. The cubic root of 79920744 is about 430.7445977607.

The spelling of 79920744 in words is "seventy-nine million, nine hundred twenty thousand, seven hundred forty-four".