728735304 has 32 divisors (see below), whose sum is σ = 1987460640. Its totient is φ = 220828800.

The previous prime is 728735303. The next prime is 728735317. The reversal of 728735304 is 403537827.

It is not an unprimeable number, because it can be changed into a prime (728735303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379917 + ... + 1380444.

It is an arithmetic number, because the mean of its divisors is an integer number (62108145).

Almost surely, 2^728735304 is an apocalyptic number.

It is an amenable number.

728735304 is an abundant number, since it is smaller than the sum of its proper divisors (1258725336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728735304 is a wasteful number, since it uses less digits than its factorization.

728735304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760381 (or 2760377 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 728735304 is about 26995.0977771891. The cubic root of 728735304 is about 899.8910584185.

The spelling of 728735304 in words is "seven hundred twenty-eight million, seven hundred thirty-five thousand, three hundred four".