7678872 has 48 divisors (see below), whose sum is σ = 21705840. Its totient is φ = 2447808.

The previous prime is 7678861. The next prime is 7678873. The reversal of 7678872 is 2788767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (452205).

Almost surely, 2^7678872 is an apocalyptic number.

7678872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7678872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10852920).

7678872 is an abundant number, since it is smaller than the sum of its proper divisors (14026968).

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

7678872 is a wasteful number, since it uses less digits than its factorization.

7678872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672 (or 4665 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 7678872 is about 2771.0777686669. The cubic root of 7678872 is about 197.2873061429.

The spelling of 7678872 in words is "seven million, six hundred seventy-eight thousand, eight hundred seventy-two".