6670867 has 4 divisors (see below), whose sum is σ = 7623856. Its totient is φ = 5717880.

The previous prime is 6670847. The next prime is 6670877. The reversal of 6670867 is 7680766.

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

It is a de Polignac number, because none of the positive numbers 2^k-6670867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6670837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476484 + ... + 476497.

It is an arithmetic number, because the mean of its divisors is an integer number (1905964).

Almost surely, 2^6670867 is an apocalyptic number.

6670867 is a deficient number, since it is larger than the sum of its proper divisors (952989).

6670867 is an equidigital number, since it uses as much as digits as its factorization.

6670867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952988.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 6670867 is about 2582.8021604451. The cubic root of 6670867 is about 188.2467241279.

The spelling of 6670867 in words is "six million, six hundred seventy thousand, eight hundred sixty-seven".