728375063744 has 28 divisors (see below), whose sum is σ = 1445849679288. Its totient is φ = 364066483200.

The previous prime is 728375063683. The next prime is 728375063789. The reversal of 728375063744 is 447360573827.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 728375063744.

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 in 3 ways as a sum of consecutive naturals, for example, 1697177 + ... + 2082584.

It is an arithmetic number, because the mean of its divisors is an integer number (51637488546).

Almost surely, 2^728375063744 is an apocalyptic number.

It is an amenable number.

728375063744 is a deficient number, since it is larger than the sum of its proper divisors (717474615544).

728375063744 is a wasteful number, since it uses less digits than its factorization.

728375063744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782784 (or 3782774 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 728375063744 in words is "seven hundred twenty-eight billion, three hundred seventy-five million, sixty-three thousand, seven hundred forty-four".