3972075188 has 6 divisors (see below), whose sum is σ = 6951131586. Its totient is φ = 1986037592.

The previous prime is 3972075179. The next prime is 3972075193. The reversal of 3972075188 is 8815702793.

It can be written as a sum of positive squares in only one way, i.e., 2285987344 + 1686087844 = 47812^2 + 41062^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496509395 + ... + 496509402.

It is an arithmetic number, because the mean of its divisors is an integer number (1158521931).

Almost surely, 2^3972075188 is an apocalyptic number.

It is an amenable number.

3972075188 is a deficient number, since it is larger than the sum of its proper divisors (2979056398).

3972075188 is a wasteful number, since it uses less digits than its factorization.

3972075188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993018801 (or 993018799 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 3972075188 is about 63024.4015282970. The cubic root of 3972075188 is about 1583.6984326465.

The spelling of 3972075188 in words is "three billion, nine hundred seventy-two million, seventy-five thousand, one hundred eighty-eight".