6564432 has 60 divisors (see below), whose sum is σ = 19733856. Its totient is φ = 1874880.

The previous prime is 6564419. The next prime is 6564449. The reversal of 6564432 is 2344656.

It is a self number, because there is not a number n which added to its sum of digits gives 6564432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 957 + ... + 3747.

Almost surely, 2^6564432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6564432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9866928).

6564432 is an abundant number, since it is smaller than the sum of its proper divisors (13169424).

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

6564432 is a wasteful number, since it uses less digits than its factorization.

6564432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2803 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 6564432 is about 2562.1147515285. The cubic root of 6564432 is about 187.2401805780.

It can be divided in two parts, 6564 and 432, that added together give a palindrome (6996).

The spelling of 6564432 in words is "six million, five hundred sixty-four thousand, four hundred thirty-two".