6717823 has 4 divisors (see below), whose sum is σ = 7677520. Its totient is φ = 5758128.

The previous prime is 6717797. The next prime is 6717829. The reversal of 6717823 is 3287176.

6717823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6717823 - 2⁵ = 6717791 is a prime.

It is a Duffinian number.

6717823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6717829) 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, 479838 + ... + 479851.

It is an arithmetic number, because the mean of its divisors is an integer number (1919380).

Almost surely, 2^6717823 is an apocalyptic number.

6717823 is a deficient number, since it is larger than the sum of its proper divisors (959697).

6717823 is an equidigital number, since it uses as much as digits as its factorization.

6717823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959696.

The product of its digits is 14112, while the sum is 34.

The square root of 6717823 is about 2591.8763473592. The cubic root of 6717823 is about 188.6873791947.

The spelling of 6717823 in words is "six million, seven hundred seventeen thousand, eight hundred twenty-three".