7797216 has 96 divisors (see below), whose sum is σ = 24046848. Its totient is φ = 2165760.

The previous prime is 7797211. The next prime is 7797227. The reversal of 7797216 is 6127977.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7797211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27411 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (250488).

Almost surely, 2^7797216 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 7797216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12023424).

7797216 is an abundant number, since it is smaller than the sum of its proper divisors (16249632).

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

7797216 is a wasteful number, since it uses less digits than its factorization.

7797216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 336 counting only the distinct ones).

The product of its digits is 37044, while the sum is 39.

The square root of 7797216 is about 2792.3495483195. The cubic root of 7797216 is about 198.2956505549.

The spelling of 7797216 in words is "seven million, seven hundred ninety-seven thousand, two hundred sixteen".