7172479776 has 96 divisors (see below), whose sum is σ = 23473594368. Its totient is φ = 1862979840.

The previous prime is 7172479763. The next prime is 7172479789. The reversal of 7172479776 is 6779742717.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7172479763) and next prime (7172479789).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×7172479776² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477760 + ... + 492543.

It is an arithmetic number, because the mean of its divisors is an integer number (244516608).

Almost surely, 2^7172479776 is an apocalyptic number.

It is an amenable number.

7172479776 is an abundant number, since it is smaller than the sum of its proper divisors (16301114592).

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

7172479776 is a wasteful number, since it uses less digits than its factorization.

7172479776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970334 (or 970326 counting only the distinct ones).

The product of its digits is 7260624, while the sum is 57.

The square root of 7172479776 is about 84690.4940120200. The cubic root of 7172479776 is about 1928.5153979849.

The spelling of 7172479776 in words is "seven billion, one hundred seventy-two million, four hundred seventy-nine thousand, seven hundred seventy-six".