6745229 has 2 divisors, whose sum is σ = 6745230. Its totient is φ = 6745228.

The previous prime is 6745201. The next prime is 6745231. The reversal of 6745229 is 9225476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4708900 + 2036329 = 2170^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 6745229 - 2⁸ = 6744973 is a prime.

It is a super-2 number, since 2×6745229² = 90996228524882, which contains 22 as substring.

Together with 6745231, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6³ + 7³ + 4⁴ + 5⁹ + 2⁷ + 2¹³ + 9⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6745289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372614 + 3372615.

It is an arithmetic number, because the mean of its divisors is an integer number (3372615).

Almost surely, 2^6745229 is an apocalyptic number.

It is an amenable number.

6745229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6745229 is an equidigital number, since it uses as much as digits as its factorization.

6745229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 6745229 is about 2597.1578696722. The cubic root of 6745229 is about 188.9436204463.

The spelling of 6745229 in words is "six million, seven hundred forty-five thousand, two hundred twenty-nine".