79038172 has 12 divisors (see below), whose sum is σ = 138462520. Its totient is φ = 39477456.

The previous prime is 79038149. The next prime is 79038181. The reversal of 79038172 is 27183097.

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, 5922 + ... + 13897.

Almost surely, 2^79038172 is an apocalyptic number.

It is an amenable number.

79038172 is a deficient number, since it is larger than the sum of its proper divisors (59424348).

79038172 is a wasteful number, since it uses less digits than its factorization.

79038172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20820 (or 20818 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 79038172 is about 8890.3415007524. The cubic root of 79038172 is about 429.1531412627.

The spelling of 79038172 in words is "seventy-nine million, thirty-eight thousand, one hundred seventy-two".