6722317 has 4 divisors (see below), whose sum is σ = 7682656. Its totient is φ = 5761980.

The previous prime is 6722291. The next prime is 6722321. The reversal of 6722317 is 7132276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-6722317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480159 + ... + 480172.

It is an arithmetic number, because the mean of its divisors is an integer number (1920664).

Almost surely, 2^6722317 is an apocalyptic number.

It is an amenable number.

6722317 is a deficient number, since it is larger than the sum of its proper divisors (960339).

6722317 is an equidigital number, since it uses as much as digits as its factorization.

6722317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960338.

The product of its digits is 3528, while the sum is 28.

The square root of 6722317 is about 2592.7431419252. The cubic root of 6722317 is about 188.7294450081.

The spelling of 6722317 in words is "six million, seven hundred twenty-two thousand, three hundred seventeen".