728159568 has 20 divisors (see below), whose sum is σ = 1881079008. Its totient is φ = 242719840.

The previous prime is 728159489. The next prime is 728159587. The reversal of 728159568 is 865951827.

728159568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 728159568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7584948 + ... + 7585043.

Almost surely, 2^728159568 is an apocalyptic number.

It is an amenable number.

728159568 is an abundant number, since it is smaller than the sum of its proper divisors (1152919440).

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

728159568 is a wasteful number, since it uses less digits than its factorization.

728159568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170002 (or 15169996 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 51.

The square root of 728159568 is about 26984.4319562225. The cubic root of 728159568 is about 899.6540102170.

The spelling of 728159568 in words is "seven hundred twenty-eight million, one hundred fifty-nine thousand, five hundred sixty-eight".