6728264 has 32 divisors (see below), whose sum is σ = 13146840. Its totient is φ = 3225600.

The previous prime is 6728257. The next prime is 6728273. The reversal of 6728264 is 4628276.

It can be written as a sum of positive squares in 4 ways, for example, as 4884100 + 1844164 = 2210^2 + 1358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23804 + ... + 24084.

Almost surely, 2^6728264 is an apocalyptic number.

It is an amenable number.

6728264 is a deficient number, since it is larger than the sum of its proper divisors (6418576).

6728264 is a wasteful number, since it uses less digits than its factorization.

6728264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 6728264 is about 2593.8897432235. The cubic root of 6728264 is about 188.7850827293.

The spelling of 6728264 in words is "six million, seven hundred twenty-eight thousand, two hundred sixty-four".