6564472 has 8 divisors (see below), whose sum is σ = 12308400. Its totient is φ = 3282232.

The previous prime is 6564461. The next prime is 6564511. The reversal of 6564472 is 2744656.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410272 + ... + 410287.

It is an arithmetic number, because the mean of its divisors is an integer number (1538550).

Almost surely, 2^6564472 is an apocalyptic number.

It is an amenable number.

6564472 is a deficient number, since it is larger than the sum of its proper divisors (5743928).

6564472 is a wasteful number, since it uses less digits than its factorization.

6564472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820565 (or 820561 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 6564472 is about 2562.1225575682. The cubic root of 6564472 is about 187.2405608898.

The spelling of 6564472 in words is "six million, five hundred sixty-four thousand, four hundred seventy-two".