7974142 has 24 divisors (see below), whose sum is σ = 13339368. Its totient is φ = 3571920.

The previous prime is 7974137. The next prime is 7974143. The reversal of 7974142 is 2414797.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (14112) is a multiple of the sum of its prime factors (504).

It is a junction number, because it is equal to n+sod(n) for n = 7974098 and 7974107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19888 + ... + 20284.

It is an arithmetic number, because the mean of its divisors is an integer number (555807).

Almost surely, 2^7974142 is an apocalyptic number.

7974142 is a deficient number, since it is larger than the sum of its proper divisors (5365226).

7974142 is a wasteful number, since it uses less digits than its factorization.

7974142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 493 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 7974142 is about 2823.8523332497. The cubic root of 7974142 is about 199.7842840835.

The spelling of 7974142 in words is "seven million, nine hundred seventy-four thousand, one hundred forty-two".