722672864 has 24 divisors (see below), whose sum is σ = 1436065848. Its totient is φ = 357957760.

The previous prime is 722672851. The next prime is 722672911. The reversal of 722672864 is 468276227.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 102107 + ... + 108954.

It is an arithmetic number, because the mean of its divisors is an integer number (59836077).

Almost surely, 2^722672864 is an apocalyptic number.

It is an amenable number.

722672864 is a deficient number, since it is larger than the sum of its proper divisors (713392984).

722672864 is a wasteful number, since it uses less digits than its factorization.

722672864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211178 (or 211170 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 722672864 is about 26882.5754718554. The cubic root of 722672864 is about 897.3886709466.

The spelling of 722672864 in words is "seven hundred twenty-two million, six hundred seventy-two thousand, eight hundred sixty-four".