6728047 has 2 divisors, whose sum is σ = 6728048. Its totient is φ = 6728046.

The previous prime is 6728041. The next prime is 6728083. The reversal of 6728047 is 7408276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6728047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6728041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364023 + 3364024.

It is an arithmetic number, because the mean of its divisors is an integer number (3364024).

Almost surely, 2^6728047 is an apocalyptic number.

6728047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6728047 is an equidigital number, since it uses as much as digits as its factorization.

6728047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 6728047 is about 2593.8479138145. The cubic root of 6728047 is about 188.7830531417.

The spelling of 6728047 in words is "six million, seven hundred twenty-eight thousand, forty-seven".