7942920 has 32 divisors (see below), whose sum is σ = 23829120. Its totient is φ = 2118080.

The previous prime is 7942919. The next prime is 7942967. The reversal of 7942920 is 292497.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 32976 + ... + 33215.

It is an arithmetic number, because the mean of its divisors is an integer number (744660).

Almost surely, 2^7942920 is an apocalyptic number.

It is an amenable number.

7942920 is an abundant number, since it is smaller than the sum of its proper divisors (15886200).

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

7942920 is a wasteful number, since it uses less digits than its factorization.

7942920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66205 (or 66201 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7942920 is about 2818.3186477047. The cubic root of 7942920 is about 199.5231975337.

The spelling of 7942920 in words is "seven million, nine hundred forty-two thousand, nine hundred twenty".