8179042 has 4 divisors (see below), whose sum is σ = 12268566. Its totient is φ = 4089520.

The previous prime is 8179021. The next prime is 8179079. The reversal of 8179042 is 2409718.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2409718 = 2 ⋅1204859.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 1002001 = 2679^2 + 1001^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8178995 and 8179013.

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 as a sum of consecutive naturals, namely, 2044759 + ... + 2044762.

Almost surely, 2^8179042 is an apocalyptic number.

8179042 is a deficient number, since it is larger than the sum of its proper divisors (4089524).

8179042 is a wasteful number, since it uses less digits than its factorization.

8179042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089523.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8179042 is about 2859.9024458887. The cubic root of 8179042 is about 201.4810224581.

The spelling of 8179042 in words is "eight million, one hundred seventy-nine thousand, forty-two".