730304656 has 10 divisors (see below), whose sum is σ = 1414965302. Its totient is φ = 365152320.

The previous prime is 730304591. The next prime is 730304657. The reversal of 730304656 is 656403037.

It can be written as a sum of positive squares in only one way, i.e., 476985600 + 253319056 = 21840^2 + 15916^2 .

It is not an unprimeable number, because it can be changed into a prime (730304657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22822005 + ... + 22822036.

Almost surely, 2^730304656 is an apocalyptic number.

It is an amenable number.

730304656 is a deficient number, since it is larger than the sum of its proper divisors (684660646).

730304656 is a wasteful number, since it uses less digits than its factorization.

730304656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45644049 (or 45644043 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 730304656 is about 27024.1494963301. The cubic root of 730304656 is about 900.5365755060.

The spelling of 730304656 in words is "seven hundred thirty million, three hundred four thousand, six hundred fifty-six".