7942942 has 16 divisors (see below), whose sum is σ = 13759200. Its totient is φ = 3368448.

The previous prime is 7942919. The next prime is 7942967. The reversal of 7942942 is 2492497.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567 + ... + 4282.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^7942942 is an apocalyptic number.

7942942 is a deficient number, since it is larger than the sum of its proper divisors (5816258).

7942942 is a wasteful number, since it uses less digits than its factorization.

7942942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955.

The product of its digits is 36288, while the sum is 37.

The square root of 7942942 is about 2818.3225507383. The cubic root of 7942942 is about 199.5233817441.

The spelling of 7942942 in words is "seven million, nine hundred forty-two thousand, nine hundred forty-two".