730308664 has 32 divisors (see below), whose sum is σ = 1451721600. Its totient is φ = 343820160.

The previous prime is 730308647. The next prime is 730308697. The reversal of 730308664 is 466803037.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7 ways as a sum of consecutive naturals, for example, 30619 + ... + 48970.

It is an arithmetic number, because the mean of its divisors is an integer number (45366300).

Almost surely, 2^730308664 is an apocalyptic number.

730308664 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

730308664 is a deficient number, since it is larger than the sum of its proper divisors (721412936).

730308664 is a wasteful number, since it uses less digits than its factorization.

730308664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79663 (or 79659 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 730308664 is about 27024.2236521237. The cubic root of 730308664 is about 900.5382229208.

The spelling of 730308664 in words is "seven hundred thirty million, three hundred eight thousand, six hundred sixty-four".