79172716 has 24 divisors (see below), whose sum is σ = 165231360. Its totient is φ = 32455632.

The previous prime is 79172699. The next prime is 79172759. The reversal of 79172716 is 61727197.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60826 + ... + 62113.

It is an arithmetic number, because the mean of its divisors is an integer number (6884640).

Almost surely, 2^79172716 is an apocalyptic number.

It is an amenable number.

79172716 is an abundant number, since it is smaller than the sum of its proper divisors (86058644).

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

79172716 is a wasteful number, since it uses less digits than its factorization.

79172716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122973 (or 122971 counting only the distinct ones).

The product of its digits is 37044, while the sum is 40.

The square root of 79172716 is about 8897.9051467185. The cubic root of 79172716 is about 429.3965141663.

The spelling of 79172716 in words is "seventy-nine million, one hundred seventy-two thousand, seven hundred sixteen".