7924942 has 4 divisors (see below), whose sum is σ = 11887416. Its totient is φ = 3962470.

The previous prime is 7924921. The next prime is 7924967. The reversal of 7924942 is 2494297.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1981234 + ... + 1981237.

It is an arithmetic number, because the mean of its divisors is an integer number (2971854).

Almost surely, 2^7924942 is an apocalyptic number.

7924942 is a deficient number, since it is larger than the sum of its proper divisors (3962474).

7924942 is a wasteful number, since it uses less digits than its factorization.

7924942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962473.

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

The square root of 7924942 is about 2815.1273505829. The cubic root of 7924942 is about 199.3725502593.

The spelling of 7924942 in words is "seven million, nine hundred twenty-four thousand, nine hundred forty-two".