6809743 has 2 divisors, whose sum is σ = 6809744. Its totient is φ = 6809742.

The previous prime is 6809717. The next prime is 6809753. The reversal of 6809743 is 3479086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6809743 - 2¹³ = 6801551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6809713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404871 + 3404872.

It is an arithmetic number, because the mean of its divisors is an integer number (3404872).

Almost surely, 2^6809743 is an apocalyptic number.

6809743 is a deficient number, since it is larger than the sum of its proper divisors (1).

6809743 is an equidigital number, since it uses as much as digits as its factorization.

6809743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6809743 is about 2609.5484283684. The cubic root of 6809743 is about 189.5440869477.

The spelling of 6809743 in words is "six million, eight hundred nine thousand, seven hundred forty-three".