5172436761 has 8 divisors (see below), whose sum is σ = 7056968160. Its totient is φ = 3368098272.

The previous prime is 5172436739. The next prime is 5172436771. The reversal of 5172436761 is 1676342715.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5172436761 - 2⁵ = 5172436729 is a prime.

It is a super-2 number, since 2×5172436761² = 53508204093088342242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5172436771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20048076 + ... + 20048333.

It is an arithmetic number, because the mean of its divisors is an integer number (882121020).

Almost surely, 2^5172436761 is an apocalyptic number.

It is an amenable number.

5172436761 is a deficient number, since it is larger than the sum of its proper divisors (1884531399).

5172436761 is a wasteful number, since it uses less digits than its factorization.

5172436761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40096455.

The product of its digits is 211680, while the sum is 42.

The square root of 5172436761 is about 71919.6549004512. The cubic root of 5172436761 is about 1729.4117149534.

The spelling of 5172436761 in words is "five billion, one hundred seventy-two million, four hundred thirty-six thousand, seven hundred sixty-one".