3972732692 has 24 divisors (see below), whose sum is σ = 6974553600. Its totient is φ = 1980015840.

The previous prime is 3972732689. The next prime is 3972732733. The reversal of 3972732692 is 2962372793.

It is a happy number.

3972732692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3972732692.

It is a congruent number.

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, 2563934 + ... + 2565482.

It is an arithmetic number, because the mean of its divisors is an integer number (290606400).

Almost surely, 2^3972732692 is an apocalyptic number.

It is an amenable number.

3972732692 is a deficient number, since it is larger than the sum of its proper divisors (3001820908).

3972732692 is a wasteful number, since it uses less digits than its factorization.

3972732692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3189 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 50.

The square root of 3972732692 is about 63029.6175777705. The cubic root of 3972732692 is about 1583.7858118757.

The spelling of 3972732692 in words is "three billion, nine hundred seventy-two million, seven hundred thirty-two thousand, six hundred ninety-two".