730685313 has 48 divisors (see below), whose sum is σ = 1176050880. Its totient is φ = 446814720.

The previous prime is 730685311. The next prime is 730685327. The reversal of 730685313 is 313586037.

It is not a de Polignac number, because 730685313 - 2¹ = 730685311 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (730685311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 771106 + ... + 772052.

It is an arithmetic number, because the mean of its divisors is an integer number (24501060).

Almost surely, 2^730685313 is an apocalyptic number.

It is an amenable number.

730685313 is a deficient number, since it is larger than the sum of its proper divisors (445365567).

730685313 is a wasteful number, since it uses less digits than its factorization.

730685313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 730685313 is about 27031.1914831737. The cubic root of 730685313 is about 900.6930106810.

The spelling of 730685313 in words is "seven hundred thirty million, six hundred eighty-five thousand, three hundred thirteen".