730393672 has 8 divisors (see below), whose sum is σ = 1369488150. Its totient is φ = 365196832.

The previous prime is 730393669. The next prime is 730393711. The reversal of 730393672 is 276393037.

It can be written as a sum of positive squares in only one way, i.e., 686754436 + 43639236 = 26206^2 + 6606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 45649597 + ... + 45649612.

Almost surely, 2^730393672 is an apocalyptic number.

It is an amenable number.

730393672 is a deficient number, since it is larger than the sum of its proper divisors (639094478).

730393672 is a wasteful number, since it uses less digits than its factorization.

730393672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91299215 (or 91299211 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 40.

The square root of 730393672 is about 27025.7964174971. The cubic root of 730393672 is about 900.5731624776.

The spelling of 730393672 in words is "seven hundred thirty million, three hundred ninety-three thousand, six hundred seventy-two".