79730328 has 32 divisors (see below), whose sum is σ = 207993600. Its totient is φ = 25421088.

The previous prime is 79730317. The next prime is 79730333. The reversal of 79730328 is 82303797.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71668 + ... + 72771.

It is an arithmetic number, because the mean of its divisors is an integer number (6499800).

Almost surely, 2^79730328 is an apocalyptic number.

It is an amenable number.

79730328 is an abundant number, since it is smaller than the sum of its proper divisors (128263272).

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

79730328 is a wasteful number, since it uses less digits than its factorization.

79730328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144471 (or 144467 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 79730328 is about 8929.1840612679. The cubic root of 79730328 is about 430.4022340417.

It can be divided in two parts, 797 and 30328, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 79730328 in words is "seventy-nine million, seven hundred thirty thousand, three hundred twenty-eight".