572736728 has 16 divisors (see below), whose sum is σ = 1087476000. Its totient is φ = 282743136.

The previous prime is 572736713. The next prime is 572736733. The reversal of 572736728 is 827637275.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452483 + ... + 453746.

It is an arithmetic number, because the mean of its divisors is an integer number (67967250).

Almost surely, 2^572736728 is an apocalyptic number.

It is an amenable number.

572736728 is a deficient number, since it is larger than the sum of its proper divisors (514739272).

572736728 is a wasteful number, since it uses less digits than its factorization.

572736728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906314 (or 906310 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The square root of 572736728 is about 23931.9186025692. The cubic root of 572736728 is about 830.4592842007.

The spelling of 572736728 in words is "five hundred seventy-two million, seven hundred thirty-six thousand, seven hundred twenty-eight".