79530724 has 63 divisors (see below), whose sum is σ = 175826217. Its totient is φ = 31462704.

The previous prime is 79530701. The next prime is 79530727. The reversal of 79530724 is 42703597.

The square root of 79530724 is 8918.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 67765824 = 3430^2 + 8232^2 .

It is not an unprimeable number, because it can be changed into a prime (79530727) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 6117742 + ... + 6117754.

Almost surely, 2^79530724 is an apocalyptic number.

79530724 is the 8918-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79530724

79530724 is an abundant number, since it is smaller than the sum of its proper divisors (96295493).

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

79530724 is an frugal number, since it uses more digits than its factorization.

79530724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The cubic root of 79530724 is about 430.0427648111.

The spelling of 79530724 in words is "seventy-nine million, five hundred thirty thousand, seven hundred twenty-four".