7876942 has 4 divisors (see below), whose sum is σ = 11815416. Its totient is φ = 3938470.

The previous prime is 7876937. The next prime is 7876969. The reversal of 7876942 is 2496787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2496787 = 229 ⋅10903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969234 + ... + 1969237.

It is an arithmetic number, because the mean of its divisors is an integer number (2953854).

Almost surely, 2^7876942 is an apocalyptic number.

7876942 is a deficient number, since it is larger than the sum of its proper divisors (3938474).

7876942 is a wasteful number, since it uses less digits than its factorization.

7876942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938473.

The product of its digits is 169344, while the sum is 43.

The square root of 7876942 is about 2806.5890329722. The cubic root of 7876942 is about 198.9692131863.

The spelling of 7876942 in words is "seven million, eight hundred seventy-six thousand, nine hundred forty-two".