7215696 has 40 divisors (see below), whose sum is σ = 20712960. Its totient is φ = 2405088.

The previous prime is 7215679. The next prime is 7215697. The reversal of 7215696 is 6965127.

7215696 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7215696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7920 + ... + 8783.

It is an arithmetic number, because the mean of its divisors is an integer number (517824).

Almost surely, 2^7215696 is an apocalyptic number.

It is an amenable number.

7215696 is an abundant number, since it is smaller than the sum of its proper divisors (13497264).

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

7215696 is a wasteful number, since it uses less digits than its factorization.

7215696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720 (or 16708 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7215696 is about 2686.2047576460. The cubic root of 7215696 is about 193.2380928707.

The spelling of 7215696 in words is "seven million, two hundred fifteen thousand, six hundred ninety-six".