6747289 has 2 divisors, whose sum is σ = 6747290. Its totient is φ = 6747288.

The previous prime is 6747281. The next prime is 6747331. The reversal of 6747289 is 9827476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 2274064 = 2115^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 6747289 - 2³ = 6747281 is a prime.

6747289 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6747281) 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, 3373644 + 3373645.

It is an arithmetic number, because the mean of its divisors is an integer number (3373645).

Almost surely, 2^6747289 is an apocalyptic number.

It is an amenable number.

6747289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6747289 is an equidigital number, since it uses as much as digits as its factorization.

6747289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 6747289 is about 2597.5544267638. The cubic root of 6747289 is about 188.9628530150.

The spelling of 6747289 in words is "six million, seven hundred forty-seven thousand, two hundred eighty-nine".