7879642 has 16 divisors (see below), whose sum is σ = 12844800. Its totient is φ = 3611520.

The previous prime is 7879637. The next prime is 7879679. The reversal of 7879642 is 2469787.

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, 2167 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (802800).

Almost surely, 2^7879642 is an apocalyptic number.

7879642 is a deficient number, since it is larger than the sum of its proper divisors (4965158).

7879642 is a wasteful number, since it uses less digits than its factorization.

7879642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741.

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

The square root of 7879642 is about 2807.0700026896. The cubic root of 7879642 is about 198.9919443218.

The spelling of 7879642 in words is "seven million, eight hundred seventy-nine thousand, six hundred forty-two".