6742709 has 2 divisors, whose sum is σ = 6742710. Its totient is φ = 6742708.

The previous prime is 6742699. The next prime is 6742733. The reversal of 6742709 is 9072476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 2184484 = 2135^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 6742709 - 2¹⁶ = 6677173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6745709) 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, 3371354 + 3371355.

It is an arithmetic number, because the mean of its divisors is an integer number (3371355).

Almost surely, 2^6742709 is an apocalyptic number.

It is an amenable number.

6742709 is a deficient number, since it is larger than the sum of its proper divisors (1).

6742709 is an equidigital number, since it uses as much as digits as its factorization.

6742709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 6742709 is about 2596.6726786409. The cubic root of 6742709 is about 188.9200879005.

The spelling of 6742709 in words is "six million, seven hundred forty-two thousand, seven hundred nine".