3917120970 has 64 divisors (see below), whose sum is σ = 10751106816. Its totient is φ = 894758400.

The previous prime is 3917120969. The next prime is 3917120983. The reversal of 3917120970 is 790217193.

It is a super-2 number, since 2×3917120970² = 30687673387227481800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373032 + ... + 383388.

It is an arithmetic number, because the mean of its divisors is an integer number (167986044).

Almost surely, 2^3917120970 is an apocalyptic number.

3917120970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3917120970 is an abundant number, since it is smaller than the sum of its proper divisors (6833985846).

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

3917120970 is a wasteful number, since it uses less digits than its factorization.

3917120970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 3917120970 is about 62586.9073369183. The cubic root of 3917120970 is about 1576.3609260051.

The spelling of 3917120970 in words is "three billion, nine hundred seventeen million, one hundred twenty thousand, nine hundred seventy".