7974942 has 16 divisors (see below), whose sum is σ = 16500240. Its totient is φ = 2566592.

The previous prime is 7974937. The next prime is 7974961. The reversal of 7974942 is 2494797.

7974942 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7974894 and 7974903.

It is a congruent number.

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, 22743 + ... + 23090.

It is an arithmetic number, because the mean of its divisors is an integer number (1031265).

Almost surely, 2^7974942 is an apocalyptic number.

7974942 is an abundant number, since it is smaller than the sum of its proper divisors (8525298).

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

7974942 is a wasteful number, since it uses less digits than its factorization.

7974942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45867.

The product of its digits is 127008, while the sum is 42.

The square root of 7974942 is about 2823.9939801636. The cubic root of 7974942 is about 199.7909649311.

The spelling of 7974942 in words is "seven million, nine hundred seventy-four thousand, nine hundred forty-two".