3870372172 has 12 divisors (see below), whose sum is σ = 6798906576. Its totient is φ = 1927827440.

The previous prime is 3870372151. The next prime is 3870372193. The reversal of 3870372172 is 2712730783.

It is an interprime number because it is at equal distance from previous prime (3870372151) and next prime (3870372193).

It is a pancake number, because a pancake can be divided into 3870372172 parts by 87981 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838479 + ... + 1840582.

It is an arithmetic number, because the mean of its divisors is an integer number (566575548).

Almost surely, 2^3870372172 is an apocalyptic number.

It is an amenable number.

3870372172 is a deficient number, since it is larger than the sum of its proper divisors (2928534404).

3870372172 is a wasteful number, since it uses less digits than its factorization.

3870372172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679328 (or 3679326 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 3870372172 is about 62212.3152759966. The cubic root of 3870372172 is about 1570.0647967090.

The spelling of 3870372172 in words is "three billion, eight hundred seventy million, three hundred seventy-two thousand, one hundred seventy-two".