7974156 has 24 divisors (see below), whose sum is σ = 19701360. Its totient is φ = 2501632.

The previous prime is 7974149. The next prime is 7974179. The reversal of 7974156 is 6514797.

7974156 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 19341 + ... + 19748.

It is an arithmetic number, because the mean of its divisors is an integer number (820890).

Almost surely, 2^7974156 is an apocalyptic number.

It is an amenable number.

7974156 is an abundant number, since it is smaller than the sum of its proper divisors (11727204).

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

7974156 is a wasteful number, since it uses less digits than its factorization.

7974156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39113 (or 39111 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 7974156 is about 2823.8548121318. The cubic root of 7974156 is about 199.7844010022.

It can be divided in two parts, 79741 and 56, that added together give a palindrome (79797).

The spelling of 7974156 in words is "seven million, nine hundred seventy-four thousand, one hundred fifty-six".