6564330 has 24 divisors (see below), whose sum is σ = 17067492. Its totient is φ = 1750464.

The previous prime is 6564323. The next prime is 6564359. The reversal of 6564330 is 334656.

6564330 is a `hidden beast` number, since 656 + 4 + 3 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6215049 + 349281 = 2493^2 + 591^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6564294 and 6564303.

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 11 ways as a sum of consecutive naturals, for example, 36379 + ... + 36558.

Almost surely, 2^6564330 is an apocalyptic number.

6564330 is an abundant number, since it is smaller than the sum of its proper divisors (10503162).

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

6564330 is a wasteful number, since it uses less digits than its factorization.

6564330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72950 (or 72947 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6564330 is about 2562.0948460196. The cubic root of 6564330 is about 187.2392107761.

Adding to 6564330 its reverse (334656), we get a palindrome (6898986).

The spelling of 6564330 in words is "six million, five hundred sixty-four thousand, three hundred thirty".