5172198724 has 81 divisors (see below), whose sum is σ = 11598164319. Its totient is φ = 2010827280.

The previous prime is 5172198721. The next prime is 5172198743. The reversal of 5172198724 is 4278912715.

The square root of 5172198724 is 71918.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (5172198721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11075139 + ... + 11075605.

Almost surely, 2^5172198724 is an apocalyptic number.

5172198724 is the 71918-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5172198724

5172198724 is an abundant number, since it is smaller than the sum of its proper divisors (6425965595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5172198724 is a wasteful number, since it uses less digits than its factorization.

5172198724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 487 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The cubic root of 5172198724 is about 1729.3851852080.

The spelling of 5172198724 in words is "five billion, one hundred seventy-two million, one hundred ninety-eight thousand, seven hundred twenty-four".