6563874 has 16 divisors (see below), whose sum is σ = 13483008. Its totient is φ = 2128752.

The previous prime is 6563867. The next prime is 6563929. The reversal of 6563874 is 4783656.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14562 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (842688).

Almost surely, 2^6563874 is an apocalyptic number.

6563874 is an abundant number, since it is smaller than the sum of its proper divisors (6919134).

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

6563874 is a wasteful number, since it uses less digits than its factorization.

6563874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29609.

The product of its digits is 120960, while the sum is 39.

The square root of 6563874 is about 2562.0058547942. The cubic root of 6563874 is about 187.2348750679.

The spelling of 6563874 in words is "six million, five hundred sixty-three thousand, eight hundred seventy-four".