730257404 has 24 divisors (see below), whose sum is σ = 1289944656. Its totient is φ = 361712000.

The previous prime is 730257403. The next prime is 730257427. The reversal of 730257404 is 404752037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730257403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492344 + ... + 493824.

It is an arithmetic number, because the mean of its divisors is an integer number (53747694).

Almost surely, 2^730257404 is an apocalyptic number.

It is an amenable number.

730257404 is a deficient number, since it is larger than the sum of its proper divisors (559687252).

730257404 is a wasteful number, since it uses less digits than its factorization.

730257404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 730257404 is about 27023.2752271075. The cubic root of 730257404 is about 900.5171529853.

The spelling of 730257404 in words is "seven hundred thirty million, two hundred fifty-seven thousand, four hundred four".