7951236672 has 28 divisors (see below), whose sum is σ = 21037647536. Its totient is φ = 2650412160.

The previous prime is 7951236613. The next prime is 7951236673. The reversal of 7951236672 is 2766321597.

It is a super-2 number, since 2×7951236672² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7951236673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20706154 + ... + 20706537.

Almost surely, 2^7951236672 is an apocalyptic number.

It is an amenable number.

7951236672 is an abundant number, since it is smaller than the sum of its proper divisors (13086410864).

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

7951236672 is a wasteful number, since it uses less digits than its factorization.

7951236672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41412706 (or 41412696 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 7951236672 is about 89169.7071431773. The cubic root of 7951236672 is about 1995.9281047942.

The spelling of 7951236672 in words is "seven billion, nine hundred fifty-one million, two hundred thirty-six thousand, six hundred seventy-two".