6544374 has 32 divisors (see below), whose sum is σ = 13962240. Its totient is φ = 2040192.

The previous prime is 6544357. The next prime is 6544393. The reversal of 6544374 is 4734456.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5982 + ... + 6990.

It is an arithmetic number, because the mean of its divisors is an integer number (436320).

Almost surely, 2^6544374 is an apocalyptic number.

6544374 is an abundant number, since it is smaller than the sum of its proper divisors (7417866).

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

6544374 is a wasteful number, since it uses less digits than its factorization.

6544374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 40320, while the sum is 33.

The square root of 6544374 is about 2558.1974122417. The cubic root of 6544374 is about 187.0492782901.

The spelling of 6544374 in words is "six million, five hundred forty-four thousand, three hundred seventy-four".