6564772 has 12 divisors (see below), whose sum is σ = 11733120. Its totient is φ = 3212456.

The previous prime is 6564769. The next prime is 6564773. The reversal of 6564772 is 2774656.

It is not an unprimeable number, because it can be changed into a prime (6564773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17272 + ... + 17647.

It is an arithmetic number, because the mean of its divisors is an integer number (977760).

Almost surely, 2^6564772 is an apocalyptic number.

It is an amenable number.

6564772 is a deficient number, since it is larger than the sum of its proper divisors (5168348).

6564772 is a wasteful number, since it uses less digits than its factorization.

6564772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34970 (or 34968 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 6564772 is about 2562.1811021081. The cubic root of 6564772 is about 187.2434131787.

The spelling of 6564772 in words is "six million, five hundred sixty-four thousand, seven hundred seventy-two".