79090072 has 32 divisors (see below), whose sum is σ = 152570880. Its totient is φ = 38414880.

The previous prime is 79090061. The next prime is 79090087. The reversal of 79090072 is 27009097.

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 7 ways as a sum of consecutive naturals, for example, 76197 + ... + 77227.

It is an arithmetic number, because the mean of its divisors is an integer number (4767840).

Almost surely, 2^79090072 is an apocalyptic number.

It is an amenable number.

79090072 is a deficient number, since it is larger than the sum of its proper divisors (73480808).

79090072 is a wasteful number, since it uses less digits than its factorization.

79090072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 79090072 is about 8893.2599197370. The cubic root of 79090072 is about 429.2470544276.

The spelling of 79090072 in words is "seventy-nine million, ninety thousand, seventy-two".