6676669 has 2 divisors, whose sum is σ = 6676670. Its totient is φ = 6676668.

The previous prime is 6676667. The next prime is 6676697. The reversal of 6676669 is 9666766.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 235225 = 2538^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 6676669 - 2¹ = 6676667 is a prime.

It is a super-2 number, since 2×6676669² = 89155817871122, which contains 22 as substring.

Together with 6676667, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6676661) 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, 3338334 + 3338335.

It is an arithmetic number, because the mean of its divisors is an integer number (3338335).

Almost surely, 2^6676669 is an apocalyptic number.

It is an amenable number.

6676669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6676669 is an equidigital number, since it uses as much as digits as its factorization.

6676669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 6676669 is about 2583.9251150140. The cubic root of 6676669 is about 188.3012843020.

The spelling of 6676669 in words is "six million, six hundred seventy-six thousand, six hundred sixty-nine".