6728347 has 2 divisors, whose sum is σ = 6728348. Its totient is φ = 6728346.

The previous prime is 6728327. The next prime is 6728369. The reversal of 6728347 is 7438276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6728347 - 2¹¹ = 6726299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6728327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364173 + 3364174.

It is an arithmetic number, because the mean of its divisors is an integer number (3364174).

Almost surely, 2^6728347 is an apocalyptic number.

6728347 is a deficient number, since it is larger than the sum of its proper divisors (1).

6728347 is an equidigital number, since it uses as much as digits as its factorization.

6728347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 6728347 is about 2593.9057423122. The cubic root of 6728347 is about 188.7858590116.

The spelling of 6728347 in words is "six million, seven hundred twenty-eight thousand, three hundred forty-seven".