6464872 has 16 divisors (see below), whose sum is σ = 12160800. Its totient is φ = 3222000.

The previous prime is 6464851. The next prime is 6464873. The reversal of 6464872 is 2784646.

It is not an unprimeable number, because it can be changed into a prime (6464873) 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, 1747 + ... + 3997.

It is an arithmetic number, because the mean of its divisors is an integer number (760050).

Almost surely, 2^6464872 is an apocalyptic number.

It is an amenable number.

6464872 is a deficient number, since it is larger than the sum of its proper divisors (5695928).

6464872 is a wasteful number, since it uses less digits than its factorization.

6464872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2612 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 6464872 is about 2542.6112561695. The cubic root of 6464872 is about 186.2887564048.

The spelling of 6464872 in words is "six million, four hundred sixty-four thousand, eight hundred seventy-two".