6728726 has 8 divisors (see below), whose sum is σ = 10327944. Its totient is φ = 3286080.

The previous prime is 6728723. The next prime is 6728731. The reversal of 6728726 is 6278276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6728726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728723) 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 3 ways as a sum of consecutive naturals, for example, 39035 + ... + 39206.

It is an arithmetic number, because the mean of its divisors is an integer number (1290993).

Almost surely, 2^6728726 is an apocalyptic number.

6728726 is a deficient number, since it is larger than the sum of its proper divisors (3599218).

6728726 is a wasteful number, since it uses less digits than its factorization.

6728726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78286.

The product of its digits is 56448, while the sum is 38.

The square root of 6728726 is about 2593.9787971377. The cubic root of 6728726 is about 188.7894036414.

The spelling of 6728726 in words is "six million, seven hundred twenty-eight thousand, seven hundred twenty-six".