722928872 has 32 divisors (see below), whose sum is σ = 1428840000. Its totient is φ = 341958528.

The previous prime is 722928839. The next prime is 722928883. The reversal of 722928872 is 278829227.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120029 + ... + 125907.

It is an arithmetic number, because the mean of its divisors is an integer number (44651250).

Almost surely, 2^722928872 is an apocalyptic number.

It is an amenable number.

722928872 is a deficient number, since it is larger than the sum of its proper divisors (705911128).

722928872 is a wasteful number, since it uses less digits than its factorization.

722928872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713 (or 6709 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 722928872 is about 26887.3366475744. The cubic root of 722928872 is about 897.4946255527.

The spelling of 722928872 in words is "seven hundred twenty-two million, nine hundred twenty-eight thousand, eight hundred seventy-two".