6743491 has 2 divisors, whose sum is σ = 6743492. Its totient is φ = 6743490.

The previous prime is 6743459. The next prime is 6743533. The reversal of 6743491 is 1943476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6743491 - 2⁵ = 6743459 is a prime.

It is not a weakly prime, because it can be changed into another prime (6743431) 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, 3371745 + 3371746.

It is an arithmetic number, because the mean of its divisors is an integer number (3371746).

Almost surely, 2^6743491 is an apocalyptic number.

6743491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6743491 is an equidigital number, since it uses as much as digits as its factorization.

6743491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 6743491 is about 2596.8232515903. The cubic root of 6743491 is about 188.9273910877.

The spelling of 6743491 in words is "six million, seven hundred forty-three thousand, four hundred ninety-one".