6679942 has 8 divisors (see below), whose sum is σ = 10343232. Its totient is φ = 3232200.

The previous prime is 6679931. The next prime is 6679949. The reversal of 6679942 is 2499766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679949) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 53809 + ... + 53932.

It is an arithmetic number, because the mean of its divisors is an integer number (1292904).

Almost surely, 2^6679942 is an apocalyptic number.

6679942 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6679942 is a deficient number, since it is larger than the sum of its proper divisors (3663290).

6679942 is a wasteful number, since it uses less digits than its factorization.

6679942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107774.

The product of its digits is 163296, while the sum is 43.

The square root of 6679942 is about 2584.5583762028. The cubic root of 6679942 is about 188.3320486159.

It can be divided in two parts, 667 and 9942, that added together give a square (10609 = 103²).

The spelling of 6679942 in words is "six million, six hundred seventy-nine thousand, nine hundred forty-two".