79813732 has 12 divisors (see below), whose sum is σ = 140090860. Its totient is φ = 39787776.

The previous prime is 79813711. The next prime is 79813739. The reversal of 79813732 is 23731897.

It can be written as a sum of positive squares in 2 ways, for example, as 33246756 + 46566976 = 5766^2 + 6824^2 .

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 not an unprimeable number, because it can be changed into a prime (79813739) 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, 28257 + ... + 30952.

Almost surely, 2^79813732 is an apocalyptic number.

It is an amenable number.

79813732 is a deficient number, since it is larger than the sum of its proper divisors (60277128).

79813732 is a wasteful number, since it uses less digits than its factorization.

79813732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59550 (or 59548 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 79813732 is about 8933.8531440807. The cubic root of 79813732 is about 430.5522595883.

The spelling of 79813732 in words is "seventy-nine million, eight hundred thirteen thousand, seven hundred thirty-two".