6709943 has 4 divisors (see below), whose sum is σ = 6719160. Its totient is φ = 6700728.

The previous prime is 6709921. The next prime is 6709949. The reversal of 6709943 is 3499076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6709943 - 2⁸ = 6709687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6709897 and 6709906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709949) 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 in 3 ways as a sum of consecutive naturals, for example, 3413 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (1679790).

Almost surely, 2^6709943 is an apocalyptic number.

6709943 is a deficient number, since it is larger than the sum of its proper divisors (9217).

6709943 is an equidigital number, since it uses as much as digits as its factorization.

6709943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 6709943 is about 2590.3557670714. The cubic root of 6709943 is about 188.6135736237.

The spelling of 6709943 in words is "six million, seven hundred nine thousand, nine hundred forty-three".