7942645770 has 16 divisors (see below), whose sum is σ = 19062349920. Its totient is φ = 2118038864.

The previous prime is 7942645759. The next prime is 7942645787. The reversal of 7942645770 is 775462497.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132377400 + ... + 132377459.

It is an arithmetic number, because the mean of its divisors is an integer number (1191396870).

Almost surely, 2^7942645770 is an apocalyptic number.

7942645770 is an abundant number, since it is smaller than the sum of its proper divisors (11119704150).

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

7942645770 is a wasteful number, since it uses less digits than its factorization.

7942645770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264754869.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The square root of 7942645770 is about 89121.5224847511. The cubic root of 7942645770 is about 1995.2090132204.

The spelling of 7942645770 in words is "seven billion, nine hundred forty-two million, six hundred forty-five thousand, seven hundred seventy".