6443672 has 16 divisors (see below), whose sum is σ = 12133800. Its totient is φ = 3208000.

The previous prime is 6443639. The next prime is 6443677. The reversal of 6443672 is 2763446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443677) 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, 404 + ... + 3612.

Almost surely, 2^6443672 is an apocalyptic number.

It is an amenable number.

6443672 is a deficient number, since it is larger than the sum of its proper divisors (5690128).

6443672 is a wasteful number, since it uses less digits than its factorization.

6443672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3462 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 6443672 is about 2538.4388903419. The cubic root of 6443672 is about 186.0849036206.

The spelling of 6443672 in words is "six million, four hundred forty-three thousand, six hundred seventy-two".