7868872 has 32 divisors (see below), whose sum is σ = 16250400. Its totient is φ = 3571920.

The previous prime is 7868851. The next prime is 7868897. The reversal of 7868872 is 2788687.

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, 10279 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (507825).

Almost surely, 2^7868872 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 7868872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8125200).

7868872 is an abundant number, since it is smaller than the sum of its proper divisors (8381528).

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

7868872 is a wasteful number, since it uses less digits than its factorization.

7868872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 752 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The square root of 7868872 is about 2805.1509763291. The cubic root of 7868872 is about 198.9012413682.

The spelling of 7868872 in words is "seven million, eight hundred sixty-eight thousand, eight hundred seventy-two".