728431024 has 10 divisors (see below), whose sum is σ = 1411335140. Its totient is φ = 364215504.

The previous prime is 728431009. The next prime is 728431031. The reversal of 728431024 is 420134827.

It is a super-2 number, since 2×728431024² = 1061223513451377152, which contains 22 as substring.

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, 22763454 + ... + 22763485.

It is an arithmetic number, because the mean of its divisors is an integer number (141133514).

Almost surely, 2^728431024 is an apocalyptic number.

It is an amenable number.

728431024 is a deficient number, since it is larger than the sum of its proper divisors (682904116).

728431024 is a wasteful number, since it uses less digits than its factorization.

728431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45526947 (or 45526941 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 728431024 is about 26989.4613506828. The cubic root of 728431024 is about 899.7657925553.

The spelling of 728431024 in words is "seven hundred twenty-eight million, four hundred thirty-one thousand, twenty-four".