79730312 has 16 divisors (see below), whose sum is σ = 149699340. Its totient is φ = 39810496.

The previous prime is 79730303. The next prime is 79730317. The reversal of 79730312 is 21303797.

It can be written as a sum of positive squares in 2 ways, for example, as 76143076 + 3587236 = 8726^2 + 1894^2 .

It is not an unprimeable number, because it can be changed into a prime (79730317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 12630.

Almost surely, 2^79730312 is an apocalyptic number.

It is an amenable number.

79730312 is a deficient number, since it is larger than the sum of its proper divisors (69969028).

79730312 is a wasteful number, since it uses less digits than its factorization.

79730312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13672 (or 13668 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 79730312 is about 8929.1831653293. The cubic root of 79730312 is about 430.4022052512.

The spelling of 79730312 in words is "seventy-nine million, seven hundred thirty thousand, three hundred twelve".