728574936 has 32 divisors (see below), whose sum is σ = 1825612800. Its totient is φ = 242301600.

The previous prime is 728574919. The next prime is 728574947. The reversal of 728574936 is 639475827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24040 + ... + 45111.

It is an arithmetic number, because the mean of its divisors is an integer number (57050400).

Almost surely, 2^728574936 is an apocalyptic number.

It is an amenable number.

728574936 is an abundant number, since it is smaller than the sum of its proper divisors (1097037864).

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

728574936 is a wasteful number, since it uses less digits than its factorization.

728574936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69599 (or 69595 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 728574936 is about 26992.1272966767. The cubic root of 728574936 is about 899.8250425342.

The spelling of 728574936 in words is "seven hundred twenty-eight million, five hundred seventy-four thousand, nine hundred thirty-six".