6797729 has 2 divisors, whose sum is σ = 6797730. Its totient is φ = 6797728.

The previous prime is 6797701. The next prime is 6797737. The reversal of 6797729 is 9277976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 2408704 = 2095^2 + 1552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6797729 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6797129) 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, 3398864 + 3398865.

It is an arithmetic number, because the mean of its divisors is an integer number (3398865).

Almost surely, 2^6797729 is an apocalyptic number.

It is an amenable number.

6797729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6797729 is an equidigital number, since it uses as much as digits as its factorization.

6797729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 47.

The square root of 6797729 is about 2607.2454813462. The cubic root of 6797729 is about 189.4325544402.

The spelling of 6797729 in words is "six million, seven hundred ninety-seven thousand, seven hundred twenty-nine".