3972648700 has 18 divisors (see below), whose sum is σ = 8620647896. Its totient is φ = 1589059440.

The previous prime is 3972648653. The next prime is 3972648707. The reversal of 3972648700 is 78462793.

It is a super-2 number, since 2×3972648700² = 31563875387223380000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972648707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19863144 + ... + 19863343.

Almost surely, 2^3972648700 is an apocalyptic number.

It is an amenable number.

3972648700 is an abundant number, since it is smaller than the sum of its proper divisors (4647999196).

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

3972648700 is a wasteful number, since it uses less digits than its factorization.

3972648700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39726501 (or 39726494 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 3972648700 is about 63028.9512843106. The cubic root of 3972648700 is about 1583.7746502659.

The spelling of 3972648700 in words is "three billion, nine hundred seventy-two million, six hundred forty-eight thousand, seven hundred".