7942398572 has 36 divisors (see below), whose sum is σ = 14780650080. Its totient is φ = 3733611264.

The previous prime is 7942398559. The next prime is 7942398587. The reversal of 7942398572 is 2758932497.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1271954 + ... + 1278182.

Almost surely, 2^7942398572 is an apocalyptic number.

It is an amenable number.

7942398572 is a deficient number, since it is larger than the sum of its proper divisors (6838251508).

7942398572 is a wasteful number, since it uses less digits than its factorization.

7942398572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370 (or 7351 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 7942398572 is about 89120.1356147981. The cubic root of 7942398572 is about 1995.1883141230.

The spelling of 7942398572 in words is "seven billion, nine hundred forty-two million, three hundred ninety-eight thousand, five hundred seventy-two".