6728206 has 8 divisors (see below), whose sum is σ = 10172160. Its totient is φ = 3337488.

The previous prime is 6728201. The next prime is 6728221. The reversal of 6728206 is 6028276.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728201) 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, 12991 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (1271520).

Almost surely, 2^6728206 is an apocalyptic number.

6728206 is a deficient number, since it is larger than the sum of its proper divisors (3443954).

6728206 is a wasteful number, since it uses less digits than its factorization.

6728206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26618.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6728206 is about 2593.8785630789. The cubic root of 6728206 is about 188.7845402631.

The spelling of 6728206 in words is "six million, seven hundred twenty-eight thousand, two hundred six".