728922956 has 6 divisors (see below), whose sum is σ = 1275615180. Its totient is φ = 364461476.

The previous prime is 728922913. The next prime is 728922983. The reversal of 728922956 is 659229827.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 91115366 + ... + 91115373.

It is an arithmetic number, because the mean of its divisors is an integer number (212602530).

Almost surely, 2^728922956 is an apocalyptic number.

It is an amenable number.

728922956 is a deficient number, since it is larger than the sum of its proper divisors (546692224).

728922956 is a wasteful number, since it uses less digits than its factorization.

728922956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182230743 (or 182230741 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 728922956 is about 26998.5732215612. The cubic root of 728922956 is about 899.9682935332.

The spelling of 728922956 in words is "seven hundred twenty-eight million, nine hundred twenty-two thousand, nine hundred fifty-six".