7288564 has 12 divisors (see below), whose sum is σ = 12881988. Its totient is φ = 3608000.

The previous prime is 7288559. The next prime is 7288577. The reversal of 7288564 is 4658827.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 3640464 = 1910^2 + 1908^2 .

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, 8617 + ... + 9424.

It is an arithmetic number, because the mean of its divisors is an integer number (1073499).

Almost surely, 2^7288564 is an apocalyptic number.

It is an amenable number.

7288564 is a deficient number, since it is larger than the sum of its proper divisors (5593424).

7288564 is a wasteful number, since it uses less digits than its factorization.

7288564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146 (or 18144 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 7288564 is about 2699.7340609771. The cubic root of 7288564 is about 193.8863897104.

The spelling of 7288564 in words is "seven million, two hundred eighty-eight thousand, five hundred sixty-four".