6728670 has 112 divisors (see below), whose sum is σ = 19831392. Its totient is φ = 1632960.

The previous prime is 6728663. The next prime is 6728713. The reversal of 6728670 is 768276.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 94735 + ... + 94805.

It is an arithmetic number, because the mean of its divisors is an integer number (177066).

Almost surely, 2^6728670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6728670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9915696).

6728670 is an abundant number, since it is smaller than the sum of its proper divisors (13102722).

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

6728670 is a wasteful number, since it uses less digits than its factorization.

6728670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 6728670 is about 2593.9680028867. The cubic root of 6728670 is about 188.7888799050.

The spelling of 6728670 in words is "six million, seven hundred twenty-eight thousand, six hundred seventy".