7974644432 has 20 divisors (see below), whose sum is σ = 16264078080. Its totient is φ = 3777463008.

The previous prime is 7974644411. The next prime is 7974644441. The reversal of 7974644432 is 2344464797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13115888 + ... + 13116495.

It is an arithmetic number, because the mean of its divisors is an integer number (813203904).

Almost surely, 2^7974644432 is an apocalyptic number.

It is an amenable number.

7974644432 is an abundant number, since it is smaller than the sum of its proper divisors (8289433648).

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

7974644432 is a wasteful number, since it uses less digits than its factorization.

7974644432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26232410 (or 26232404 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 50.

The square root of 7974644432 is about 89300.8646766648. The cubic root of 7974644432 is about 1997.8847997526.

The spelling of 7974644432 in words is "seven billion, nine hundred seventy-four million, six hundred forty-four thousand, four hundred thirty-two".