728518832 has 20 divisors (see below), whose sum is σ = 1445933496.
Its totient is φ = 355374720.
The previous prime is 728518807. The next prime is 728518853. The reversal of 728518832 is 238815827.
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 in 3 ways as a sum of consecutive naturals, for example, 554618 + ... + 555929.
Almost surely, 2728518832 is an apocalyptic number.
It is an amenable number.
728518832 is a deficient number, since it is larger than the sum of its proper divisors (717414664).
728518832 is a wasteful number, since it uses less digits than its factorization.
728518832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1110596 (or 1110590 counting only the distinct ones).
The product of its digits is 215040, while the sum is 44.
The square root of 728518832 is about 26991.0880106749.
The cubic root of 728518832 is about 899.8019448963.
The spelling of 728518832 in words is "seven hundred twenty-eight million, five hundred eighteen thousand, eight hundred thirty-two".