7974159 has 16 divisors (see below), whose sum is σ = 11089920. Its totient is φ = 5090400.

The previous prime is 7974149. The next prime is 7974179. The reversal of 7974159 is 9514797.

It is a happy number.

It is not a de Polignac number, because 7974159 - 2⁴ = 7974143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7974159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12834 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (693120).

Almost surely, 2^7974159 is an apocalyptic number.

7974159 is a deficient number, since it is larger than the sum of its proper divisors (3115761).

7974159 is a wasteful number, since it uses less digits than its factorization.

7974159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 79380, while the sum is 42.

The square root of 7974159 is about 2823.8553433205. The cubic root of 7974159 is about 199.7844260562.

It can be divided in two parts, 79741 and 59, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 7974159 in words is "seven million, nine hundred seventy-four thousand, one hundred fifty-nine".