902742728 has 16 divisors (see below), whose sum is σ = 1704822000. Its totient is φ = 448123536.

The previous prime is 902742713. The next prime is 902742739. The reversal of 902742728 is 827247209.

902742728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 404798 + ... + 407021.

It is an arithmetic number, because the mean of its divisors is an integer number (106551375).

Almost surely, 2^902742728 is an apocalyptic number.

It is an amenable number.

902742728 is a deficient number, since it is larger than the sum of its proper divisors (802079272).

902742728 is a wasteful number, since it uses less digits than its factorization.

902742728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811964 (or 811960 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 902742728 is about 30045.6773596469. The cubic root of 902742728 is about 966.4691584326.

The spelling of 902742728 in words is "nine hundred two million, seven hundred forty-two thousand, seven hundred twenty-eight".