6728344 has 32 divisors (see below), whose sum is σ = 14539680. Its totient is φ = 2859264.

The previous prime is 6728327. The next prime is 6728347. The reversal of 6728344 is 4438276.

It is a super-2 number, since 2×6728344² = 90541225964672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7234 + ... + 8110.

It is an arithmetic number, because the mean of its divisors is an integer number (454365).

Almost surely, 2^6728344 is an apocalyptic number.

It is an amenable number.

6728344 is an abundant number, since it is smaller than the sum of its proper divisors (7811336).

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

6728344 is a wasteful number, since it uses less digits than its factorization.

6728344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1023 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 6728344 is about 2593.9051640336. The cubic root of 6728344 is about 188.7858309533.

The spelling of 6728344 in words is "six million, seven hundred twenty-eight thousand, three hundred forty-four".