728522956 has 12 divisors (see below), whose sum is σ = 1457045968. Its totient is φ = 312224112.

The previous prime is 728522941. The next prime is 728522957. The reversal of 728522956 is 659225827.

728522956 is an admirable number.

It is a hoax number, since the sum of its digits (46) 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 (728522957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13009311 + ... + 13009366.

Almost surely, 2^728522956 is an apocalyptic number.

It is an amenable number.

728522956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

728522956 is a wasteful number, since it uses less digits than its factorization.

728522956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26018688 (or 26018686 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 728522956 is about 26991.1644061534. The cubic root of 728522956 is about 899.8036427596.

The spelling of 728522956 in words is "seven hundred twenty-eight million, five hundred twenty-two thousand, nine hundred fifty-six".