7942038874 has 144 divisors (see below), whose sum is σ = 16658218080. Its totient is φ = 2800163520.

The previous prime is 7942038859. The next prime is 7942038887. The reversal of 7942038874 is 4788302497.

It is a super-2 number, since 2×7942038874² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10834612 + ... + 10835344.

It is an arithmetic number, because the mean of its divisors is an integer number (115682070).

Almost surely, 2^7942038874 is an apocalyptic number.

7942038874 is an abundant number, since it is smaller than the sum of its proper divisors (8716179206).

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

7942038874 is a wasteful number, since it uses less digits than its factorization.

7942038874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 7942038874 is about 89118.1175407111. The cubic root of 7942038874 is about 1995.1581940833.

The spelling of 7942038874 in words is "seven billion, nine hundred forty-two million, thirty-eight thousand, eight hundred seventy-four".