7874942 has 8 divisors (see below), whose sum is σ = 11869032. Its totient is φ = 3918600.

The previous prime is 7874939. The next prime is 7874959. The reversal of 7874942 is 2494787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7874942.

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 3 ways as a sum of consecutive naturals, for example, 8909 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (1483629).

Almost surely, 2^7874942 is an apocalyptic number.

7874942 is a deficient number, since it is larger than the sum of its proper divisors (3994090).

7874942 is a wasteful number, since it uses less digits than its factorization.

7874942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874.

The product of its digits is 112896, while the sum is 41.

The square root of 7874942 is about 2806.2327059601. The cubic root of 7874942 is about 198.9523719591.

The spelling of 7874942 in words is "seven million, eight hundred seventy-four thousand, nine hundred forty-two".