6472664 has 16 divisors (see below), whose sum is σ = 13239720. Its totient is φ = 2942080.

The previous prime is 6472657. The next prime is 6472679. The reversal of 6472664 is 4662746.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 36689 + ... + 36864.

Almost surely, 2^6472664 is an apocalyptic number.

It is an amenable number.

6472664 is an abundant number, since it is smaller than the sum of its proper divisors (6767056).

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

6472664 is a wasteful number, since it uses less digits than its factorization.

6472664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73570 (or 73566 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 6472664 is about 2544.1430777376. The cubic root of 6472664 is about 186.3635699097.

The spelling of 6472664 in words is "six million, four hundred seventy-two thousand, six hundred sixty-four".