3972605870 has 16 divisors (see below), whose sum is σ = 7152140160. Its totient is φ = 1588720224.

The previous prime is 3972605821. The next prime is 3972605881. The reversal of 3972605870 is 785062793.

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, 15164 + ... + 90416.

It is an arithmetic number, because the mean of its divisors is an integer number (447008760).

Almost surely, 2^3972605870 is an apocalyptic number.

3972605870 is a deficient number, since it is larger than the sum of its proper divisors (3179534290).

3972605870 is a wasteful number, since it uses less digits than its factorization.

3972605870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80539.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 3972605870 is about 63028.6115188967. The cubic root of 3972605870 is about 1583.7689585711.

The spelling of 3972605870 in words is "three billion, nine hundred seventy-two million, six hundred five thousand, eight hundred seventy".