728075584 has 14 divisors (see below), whose sum is σ = 1444775114. Its totient is φ = 364037760.

The previous prime is 728075567. The next prime is 728075597. The reversal of 728075584 is 485570827.

It can be written as a sum of positive squares in only one way, i.e., 725117184 + 2958400 = 26928^2 + 1720^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688027 + ... + 5688154.

Almost surely, 2^728075584 is an apocalyptic number.

It is an amenable number.

728075584 is a deficient number, since it is larger than the sum of its proper divisors (716699530).

728075584 is a wasteful number, since it uses less digits than its factorization.

728075584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11376193 (or 11376183 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 728075584 is about 26982.8757548190. The cubic root of 728075584 is about 899.6194209819.

The spelling of 728075584 in words is "seven hundred twenty-eight million, seventy-five thousand, five hundred eighty-four".