5173998728 has 16 divisors (see below), whose sum is σ = 9712198080. Its totient is φ = 2584079248.

The previous prime is 5173998707. The next prime is 5173998757. The reversal of 5173998728 is 8278993715.

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, 357476 + ... + 371667.

It is an arithmetic number, because the mean of its divisors is an integer number (607012380).

Almost surely, 2^5173998728 is an apocalyptic number.

It is an amenable number.

5173998728 is a deficient number, since it is larger than the sum of its proper divisors (4538199352).

5173998728 is a wasteful number, since it uses less digits than its factorization.

5173998728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730036 (or 730032 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 59.

The square root of 5173998728 is about 71930.5131915517. The cubic root of 5173998728 is about 1729.5857794088.

The spelling of 5173998728 in words is "five billion, one hundred seventy-three million, nine hundred ninety-eight thousand, seven hundred twenty-eight".