730656564 has 36 divisors (see below), whose sum is σ = 1873946592. Its totient is φ = 221410640.

The previous prime is 730656551. The next prime is 730656581. The reversal of 730656564 is 465656037.

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 11 ways as a sum of consecutive naturals, for example, 250152 + ... + 253055.

It is an arithmetic number, because the mean of its divisors is an integer number (52054072).

Almost surely, 2^730656564 is an apocalyptic number.

It is an amenable number.

730656564 is an abundant number, since it is smaller than the sum of its proper divisors (1143290028).

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

730656564 is a wasteful number, since it uses less digits than its factorization.

730656564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503236 (or 503223 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 730656564 is about 27030.6597033813. The cubic root of 730656564 is about 900.6811978607.

The spelling of 730656564 in words is "seven hundred thirty million, six hundred fifty-six thousand, five hundred sixty-four".