7256564 has 12 divisors (see below), whose sum is σ = 14513184. Its totient is φ = 3109944.

The previous prime is 7256539. The next prime is 7256581. The reversal of 7256564 is 4656527.

7256564 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 129554 + ... + 129609.

It is an arithmetic number, because the mean of its divisors is an integer number (1209432).

Almost surely, 2^7256564 is an apocalyptic number.

It is an amenable number.

7256564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7256564 is a wasteful number, since it uses less digits than its factorization.

7256564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259174 (or 259172 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 7256564 is about 2693.8010319992. The cubic root of 7256564 is about 193.6022246062.

The spelling of 7256564 in words is "seven million, two hundred fifty-six thousand, five hundred sixty-four".