3972802456 has 32 divisors (see below), whose sum is σ = 8521979040. Its totient is φ = 1700863488.

The previous prime is 3972802451. The next prime is 3972802459. The reversal of 3972802456 is 6542082793.

3972802456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972802451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18406 + ... + 91018.

It is an arithmetic number, because the mean of its divisors is an integer number (266311845).

Almost surely, 2^3972802456 is an apocalyptic number.

It is an amenable number.

3972802456 is an abundant number, since it is smaller than the sum of its proper divisors (4549176584).

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

3972802456 is a wasteful number, since it uses less digits than its factorization.

3972802456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73603 (or 73599 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 3972802456 is about 63030.1709977055. The cubic root of 3972802456 is about 1583.7950826216.

The spelling of 3972802456 in words is "three billion, nine hundred seventy-two million, eight hundred two thousand, four hundred fifty-six".