7268864 has 20 divisors (see below), whose sum is σ = 14524554. Its totient is φ = 3634176.

The previous prime is 7268857. The next prime is 7268881. The reversal of 7268864 is 4688627.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 3268864 = 2000^2 + 1808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6587 + ... + 7610.

Almost surely, 2^7268864 is an apocalyptic number.

It is an amenable number.

7268864 is a deficient number, since it is larger than the sum of its proper divisors (7255690).

7268864 is an equidigital number, since it uses as much as digits as its factorization.

7268864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215 (or 14199 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 7268864 is about 2696.0830847732. The cubic root of 7268864 is about 193.7115492202.

The spelling of 7268864 in words is "seven million, two hundred sixty-eight thousand, eight hundred sixty-four".