6667369 has 2 divisors, whose sum is σ = 6667370. Its totient is φ = 6667368.

The previous prime is 6667343. The next prime is 6667393. The reversal of 6667369 is 9637666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 316969 = 2520^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 6667369 - 2⁵ = 6667337 is a prime.

It is a super-2 number, since 2×6667369² = 88907618764322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6667399) 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, 3333684 + 3333685.

It is an arithmetic number, because the mean of its divisors is an integer number (3333685).

Almost surely, 2^6667369 is an apocalyptic number.

It is an amenable number.

6667369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667369 is an equidigital number, since it uses as much as digits as its factorization.

6667369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 6667369 is about 2582.1249001549. The cubic root of 6667369 is about 188.2138147538.

The spelling of 6667369 in words is "six million, six hundred sixty-seven thousand, three hundred sixty-nine".