6722843 has 2 divisors, whose sum is σ = 6722844. Its totient is φ = 6722842.

The previous prime is 6722839. The next prime is 6722857. The reversal of 6722843 is 3482276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6722843 - 2² = 6722839 is a prime.

It is a super-3 number, since 3×6722843³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6722743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361421 + 3361422.

It is an arithmetic number, because the mean of its divisors is an integer number (3361422).

Almost surely, 2^6722843 is an apocalyptic number.

6722843 is a deficient number, since it is larger than the sum of its proper divisors (1).

6722843 is an equidigital number, since it uses as much as digits as its factorization.

6722843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 6722843 is about 2592.8445769078. The cubic root of 6722843 is about 188.7343673734.

The spelling of 6722843 in words is "six million, seven hundred twenty-two thousand, eight hundred forty-three".