6868544 has 56 divisors (see below), whose sum is σ = 14813280. Its totient is φ = 3147776.

The previous prime is 6868531. The next prime is 6868549. The reversal of 6868544 is 4458686.

It is not an unprimeable number, because it can be changed into a prime (6868549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64139 + ... + 64245.

Almost surely, 2^6868544 is an apocalyptic number.

6868544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6868544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7406640).

6868544 is an abundant number, since it is smaller than the sum of its proper divisors (7944736).

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

6868544 is a wasteful number, since it uses less digits than its factorization.

6868544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 185 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 6868544 is about 2620.7907203743. The cubic root of 6868544 is about 190.0880847344.

The spelling of 6868544 in words is "six million, eight hundred sixty-eight thousand, five hundred forty-four".