728597932 has 24 divisors (see below), whose sum is σ = 1329070064. Its totient is φ = 349157952.

The previous prime is 728597911. The next prime is 728597939. The reversal of 728597932 is 239795827.

It is a self number, because there is not a number n which added to its sum of digits gives 728597932.

It is not an unprimeable number, because it can be changed into a prime (728597939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26823 + ... + 46654.

Almost surely, 2^728597932 is an apocalyptic number.

It is an amenable number.

728597932 is a deficient number, since it is larger than the sum of its proper divisors (600472132).

728597932 is a wasteful number, since it uses less digits than its factorization.

728597932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73585 (or 73583 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The square root of 728597932 is about 26992.5532693741. The cubic root of 728597932 is about 899.8345094894.

The spelling of 728597932 in words is "seven hundred twenty-eight million, five hundred ninety-seven thousand, nine hundred thirty-two".