730138604 has 24 divisors (see below), whose sum is σ = 1378881168. Its totient is φ = 336288960.

The previous prime is 730138603. The next prime is 730138609. The reversal of 730138604 is 406831037.

730138604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (730138603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11234 + ... + 39830.

It is an arithmetic number, because the mean of its divisors is an integer number (57453382).

Almost surely, 2^730138604 is an apocalyptic number.

It is an amenable number.

730138604 is a deficient number, since it is larger than the sum of its proper divisors (648742564).

730138604 is a wasteful number, since it uses less digits than its factorization.

730138604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29105 (or 29103 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 730138604 is about 27021.0770325685. The cubic root of 730138604 is about 900.4683175842.

The spelling of 730138604 in words is "seven hundred thirty million, one hundred thirty-eight thousand, six hundred four".