7816736634 has 16 divisors (see below), whose sum is σ = 17866826688. Its totient is φ = 2233353312.

The previous prime is 7816736623. The next prime is 7816736659. The reversal of 7816736634 is 4366376187.

It is a super-2 number, since 2×7816736634² (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 7 ways as a sum of consecutive naturals, for example, 93056347 + ... + 93056430.

It is an arithmetic number, because the mean of its divisors is an integer number (1116676668).

Almost surely, 2^7816736634 is an apocalyptic number.

7816736634 is an abundant number, since it is smaller than the sum of its proper divisors (10050090054).

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

7816736634 is a wasteful number, since it uses less digits than its factorization.

7816736634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186112789.

The product of its digits is 3048192, while the sum is 51.

The square root of 7816736634 is about 88412.3104211173. The cubic root of 7816736634 is about 1984.6099294648.

The spelling of 7816736634 in words is "seven billion, eight hundred sixteen million, seven hundred thirty-six thousand, six hundred thirty-four".