7679868 has 72 divisors (see below), whose sum is σ = 21469392. Its totient is φ = 2128896.

The previous prime is 7679849. The next prime is 7679873. The reversal of 7679868 is 8689767.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7679868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21580 + ... + 21932.

It is an arithmetic number, because the mean of its divisors is an integer number (298186).

Almost surely, 2^7679868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7679868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10734696).

7679868 is an abundant number, since it is smaller than the sum of its proper divisors (13789524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7679868 is a wasteful number, since it uses less digits than its factorization.

7679868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 402 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 7679868 is about 2771.2574763093. The cubic root of 7679868 is about 197.2958355928.

The spelling of 7679868 in words is "seven million, six hundred seventy-nine thousand, eight hundred sixty-eight".