6726229 has 2 divisors, whose sum is σ = 6726230. Its totient is φ = 6726228.

The previous prime is 6726227. The next prime is 6726233. The reversal of 6726229 is 9226276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 223729 = 2550^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 6726229 - 2¹ = 6726227 is a prime.

Together with 6726227, it forms a pair of twin primes.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 6726194 and 6726203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6726221) 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 as a sum of consecutive naturals, namely, 3363114 + 3363115.

It is an arithmetic number, because the mean of its divisors is an integer number (3363115).

Almost surely, 2^6726229 is an apocalyptic number.

It is an amenable number.

6726229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6726229 is an equidigital number, since it uses as much as digits as its factorization.

6726229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 6726229 is about 2593.4974455357. The cubic root of 6726229 is about 188.7660477854.

The spelling of 6726229 in words is "six million, seven hundred twenty-six thousand, two hundred twenty-nine".