3975708990724 has 27 divisors (see below), whose sum is σ = 7005545699061. Its totient is φ = 1974218090160.

The previous prime is 3975708990719. The next prime is 3975708990769. The reversal of 3975708990724 is 4270998075793.

The square root of 3975708990724 is 1993918.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 465781680324 + 3509927310400 = 682482^2 + 1873480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 594184219 + ... + 594190909.

Almost surely, 2^{3975708990724} is an apocalyptic number.

3975708990724 is the 1993918-th square number.

It is an amenable number.

3975708990724 is a deficient number, since it is larger than the sum of its proper divisors (3029836708337).

3975708990724 is an frugal number, since it uses more digits than its factorization.

3975708990724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 70.

The spelling of 3975708990724 in words is "three trillion, nine hundred seventy-five billion, seven hundred eight million, nine hundred ninety thousand, seven hundred twenty-four".