7972646832 has 40 divisors (see below), whose sum is σ = 22884450480. Its totient is φ = 2657548800.

The previous prime is 7972646827. The next prime is 7972646879. The reversal of 7972646832 is 2386462797.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 9227169 + ... + 9228032.

It is an arithmetic number, because the mean of its divisors is an integer number (572111262).

Almost surely, 2^7972646832 is an apocalyptic number.

7972646832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7972646832 is an abundant number, since it is smaller than the sum of its proper divisors (14911803648).

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

7972646832 is a wasteful number, since it uses less digits than its factorization.

7972646832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455218 (or 18455206 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 7972646832 is about 89289.6793140170. The cubic root of 7972646832 is about 1997.7179664852.

The spelling of 7972646832 in words is "seven billion, nine hundred seventy-two million, six hundred forty-six thousand, eight hundred thirty-two".