728608363604 has 36 divisors (see below), whose sum is σ = 1401612094932. Its totient is φ = 331163226240.

The previous prime is 728608363591. The next prime is 728608363621. The reversal of 728608363604 is 406363806827.

It can be written as a sum of positive squares in 2 ways, for example, as 615678761104 + 112929602500 = 784652^2 + 336050^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 8649272 + ... + 8733104.

Almost surely, 2^728608363604 is an apocalyptic number.

It is an amenable number.

728608363604 is a deficient number, since it is larger than the sum of its proper divisors (673003731328).

728608363604 is a wasteful number, since it uses less digits than its factorization.

728608363604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101816 (or 101803 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 728608363604 in words is "seven hundred twenty-eight billion, six hundred eight million, three hundred sixty-three thousand, six hundred four".