6564750 has 32 divisors (see below), whose sum is σ = 16387488. Its totient is φ = 1750400.

The previous prime is 6564749. The next prime is 6564763. The reversal of 6564750 is 574656.

It is a hoax number, since the sum of its digits (33) 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3627 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (512109).

Almost surely, 2^6564750 is an apocalyptic number.

6564750 is an abundant number, since it is smaller than the sum of its proper divisors (9822738).

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

6564750 is a wasteful number, since it uses less digits than its factorization.

6564750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 6564750 is about 2562.1768088873. The cubic root of 6564750 is about 187.2432040138.

The spelling of 6564750 in words is "six million, five hundred sixty-four thousand, seven hundred fifty".