6744137 has 2 divisors, whose sum is σ = 6744138. Its totient is φ = 6744136.

The previous prime is 6744097. The next prime is 6744139. The reversal of 6744137 is 7314476.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 67081 = 2584^2 + 259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6744137 is a prime.

Together with 6744139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6744139) 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 as a sum of consecutive naturals, namely, 3372068 + 3372069.

It is an arithmetic number, because the mean of its divisors is an integer number (3372069).

Almost surely, 2^6744137 is an apocalyptic number.

It is an amenable number.

6744137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6744137 is an equidigital number, since it uses as much as digits as its factorization.

6744137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 6744137 is about 2596.9476313549. The cubic root of 6744137 is about 188.9334237295.

The spelling of 6744137 in words is "six million, seven hundred forty-four thousand, one hundred thirty-seven".