728044364 has 12 divisors (see below), whose sum is σ = 1287213144. Its totient is φ = 360269184.

The previous prime is 728044351. The next prime is 728044381. The reversal of 728044364 is 463440827.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937814 + ... + 938589.

It is an arithmetic number, because the mean of its divisors is an integer number (107267762).

Almost surely, 2^728044364 is an apocalyptic number.

It is an amenable number.

728044364 is a deficient number, since it is larger than the sum of its proper divisors (559168780).

728044364 is a wasteful number, since it uses less digits than its factorization.

728044364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876504 (or 1876502 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 728044364 is about 26982.2972335567. The cubic root of 728044364 is about 899.6065621889.

The spelling of 728044364 in words is "seven hundred twenty-eight million, forty-four thousand, three hundred sixty-four".