3157072994 has 16 divisors (see below), whose sum is σ = 4920894720. Its totient is φ = 1517263440.

The previous prime is 3157072967. The next prime is 3157072999. The reversal of 3157072994 is 4992707513.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3157072999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109112 + ... + 134979.

It is an arithmetic number, because the mean of its divisors is an integer number (307555920).

Almost surely, 2^3157072994 is an apocalyptic number.

3157072994 is a deficient number, since it is larger than the sum of its proper divisors (1763821726).

3157072994 is a wasteful number, since it uses less digits than its factorization.

3157072994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244345.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 3157072994 is about 56187.8367086685. The cubic root of 3157072994 is about 1466.9935614214.

The spelling of 3157072994 in words is "three billion, one hundred fifty-seven million, seventy-two thousand, nine hundred ninety-four".