6723329 has 2 divisors, whose sum is σ = 6723330. Its totient is φ = 6723328.

The previous prime is 6723323. The next prime is 6723349. The reversal of 6723329 is 9233276.

It is a happy number.

6723329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 1817104 = 2215^2 + 1348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6723329 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6723295 and 6723304.

It is not a weakly prime, because it can be changed into another prime (6723323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361664 + 3361665.

It is an arithmetic number, because the mean of its divisors is an integer number (3361665).

Almost surely, 2^6723329 is an apocalyptic number.

It is an amenable number.

6723329 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723329 is an equidigital number, since it uses as much as digits as its factorization.

6723329 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 6723329 is about 2592.9382946765. The cubic root of 6723329 is about 188.7389151861.

The spelling of 6723329 in words is "six million, seven hundred twenty-three thousand, three hundred twenty-nine".