79990024 has 8 divisors (see below), whose sum is σ = 149981310. Its totient is φ = 39995008.

The previous prime is 79990007. The next prime is 79990037. The reversal of 79990024 is 42009997.

It can be written as a sum of positive squares in only one way, i.e., 51581124 + 28408900 = 7182^2 + 5330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999369 + ... + 4999384.

Almost surely, 2^79990024 is an apocalyptic number.

It is an amenable number.

79990024 is a deficient number, since it is larger than the sum of its proper divisors (69991286).

79990024 is a wasteful number, since it uses less digits than its factorization.

79990024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9998759 (or 9998755 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 79990024 is about 8943.7142172590. The cubic root of 79990024 is about 430.8690267281.

The spelling of 79990024 in words is "seventy-nine million, nine hundred ninety thousand, twenty-four".