7879716 has 72 divisors (see below), whose sum is σ = 21785400. Its totient is φ = 2386944.

The previous prime is 7879679. The next prime is 7879723. The reversal of 7879716 is 6179787.

It is a happy number.

7879716 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 910116 + 6969600 = 954^2 + 2640^2 .

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, 52810 + ... + 52958.

It is an arithmetic number, because the mean of its divisors is an integer number (302575).

Almost surely, 2^7879716 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 7879716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10892700).

7879716 is an abundant number, since it is smaller than the sum of its proper divisors (13905684).

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

7879716 is a wasteful number, since it uses less digits than its factorization.

7879716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its digits is 148176, while the sum is 45.

The square root of 7879716 is about 2807.0831836624. The cubic root of 7879716 is about 198.9925672501.

The spelling of 7879716 in words is "seven million, eight hundred seventy-nine thousand, seven hundred sixteen".