6675809 has 8 divisors (see below), whose sum is σ = 7785600. Its totient is φ = 5721828.

The previous prime is 6675803. The next prime is 6675811. The reversal of 6675809 is 9085766.

It is a happy number.

It is not a de Polignac number, because 6675809 - 2¹² = 6671713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6675803) 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 in 7 ways as a sum of consecutive naturals, for example, 9389 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (973200).

Almost surely, 2^6675809 is an apocalyptic number.

It is an amenable number.

6675809 is a deficient number, since it is larger than the sum of its proper divisors (1109791).

6675809 is an equidigital number, since it uses as much as digits as its factorization.

6675809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484 (or 19470 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 6675809 is about 2583.7586961634. The cubic root of 6675809 is about 188.2931991297.

The spelling of 6675809 in words is "six million, six hundred seventy-five thousand, eight hundred nine".