6722393 has 2 divisors, whose sum is σ = 6722394. Its totient is φ = 6722392.

The previous prime is 6722377. The next prime is 6722399. The reversal of 6722393 is 3932276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6697744 + 24649 = 2588^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 6722393 - 2⁴ = 6722377 is a prime.

It is not a weakly prime, because it can be changed into another prime (6722399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361196 + 3361197.

It is an arithmetic number, because the mean of its divisors is an integer number (3361197).

Almost surely, 2^6722393 is an apocalyptic number.

It is an amenable number.

6722393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6722393 is an equidigital number, since it uses as much as digits as its factorization.

6722393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 6722393 is about 2592.7577981755. The cubic root of 6722393 is about 188.7301562402.

The spelling of 6722393 in words is "six million, seven hundred twenty-two thousand, three hundred ninety-three".