6682667 has 4 divisors (see below), whose sum is σ = 6693216. Its totient is φ = 6672120.

The previous prime is 6682609. The next prime is 6682693. The reversal of 6682667 is 7662866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6682667 - 2⁶ = 6682603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6685667) 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 3 ways as a sum of consecutive naturals, for example, 4259 + ... + 5612.

It is an arithmetic number, because the mean of its divisors is an integer number (1673304).

Almost surely, 2^6682667 is an apocalyptic number.

6682667 is a deficient number, since it is larger than the sum of its proper divisors (10549).

6682667 is an equidigital number, since it uses as much as digits as its factorization.

6682667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548.

The product of its digits is 145152, while the sum is 41.

The square root of 6682667 is about 2585.0854918165. The cubic root of 6682667 is about 188.3576543803.

The spelling of 6682667 in words is "six million, six hundred eighty-two thousand, six hundred sixty-seven".