6563872 has 24 divisors (see below), whose sum is σ = 14769216. Its totient is φ = 2812992.

The previous prime is 6563867. The next prime is 6563929. The reversal of 6563872 is 2783656.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14428 + ... + 14875.

It is an arithmetic number, because the mean of its divisors is an integer number (615384).

Almost surely, 2^6563872 is an apocalyptic number.

It is an amenable number.

6563872 is an abundant number, since it is smaller than the sum of its proper divisors (8205344).

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

6563872 is a wasteful number, since it uses less digits than its factorization.

6563872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29320 (or 29312 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 6563872 is about 2562.0054644750. The cubic root of 6563872 is about 187.2348560512.

The spelling of 6563872 in words is "six million, five hundred sixty-three thousand, eight hundred seventy-two".