7997264 has 20 divisors (see below), whose sum is σ = 16903680. Its totient is φ = 3635040.

The previous prime is 7997257. The next prime is 7997303. The reversal of 7997264 is 4627997.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22544 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (845184).

Almost surely, 2^7997264 is an apocalyptic number.

It is an amenable number.

7997264 is an abundant number, since it is smaller than the sum of its proper divisors (8906416).

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

7997264 is a wasteful number, since it uses less digits than its factorization.

7997264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45458 (or 45452 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 7997264 is about 2827.9434223478. The cubic root of 7997264 is about 199.9771974003.

The spelling of 7997264 in words is "seven million, nine hundred ninety-seven thousand, two hundred sixty-four".