6728764 has 24 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 2864496.

The previous prime is 6728759. The next prime is 6728801. The reversal of 6728764 is 4678276.

6728764 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 7⁷ + 2¹⁷ + 8³ + 7⁸ + 6⁵ + 4⁵ .

6728764 is strictly pandigital in base 8.

It is a congruent number.

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, 3957 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

Almost surely, 2^6728764 is an apocalyptic number.

It is an amenable number.

6728764 is an abundant number, since it is smaller than the sum of its proper divisors (6818756).

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

6728764 is a wasteful number, since it uses less digits than its factorization.

6728764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 6728764 is about 2593.9861217825. The cubic root of 6728764 is about 188.7897590323.

The spelling of 6728764 in words is "six million, seven hundred twenty-eight thousand, seven hundred sixty-four".