79390144 has 28 divisors (see below), whose sum is σ = 160897824. Its totient is φ = 38849024.

The previous prime is 79390067. The next prime is 79390177. The reversal of 79390144 is 44109397.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10189 + ... + 16204.

Almost surely, 2^79390144 is an apocalyptic number.

It is an amenable number.

79390144 is an abundant number, since it is smaller than the sum of its proper divisors (81507680).

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

79390144 is a wasteful number, since it uses less digits than its factorization.

79390144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26452 (or 26442 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 79390144 is about 8910.1147018431. The cubic root of 79390144 is about 429.7892314823.

The spelling of 79390144 in words is "seventy-nine million, three hundred ninety thousand, one hundred forty-four".