6670667 has 16 divisors (see below), whose sum is σ = 7352640. Its totient is φ = 6031872.

The previous prime is 6670661. The next prime is 6670687. The reversal of 6670667 is 7660766.

It is a cyclic number.

It is not a de Polignac number, because 6670667 - 2⁶ = 6670603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6670667.

It is not an unprimeable number, because it can be changed into a prime (6670661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48623 + ... + 48759.

It is an arithmetic number, because the mean of its divisors is an integer number (459540).

Almost surely, 2^6670667 is an apocalyptic number.

6670667 is a deficient number, since it is larger than the sum of its proper divisors (681973).

6670667 is a wasteful number, since it uses less digits than its factorization.

6670667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 6670667 is about 2582.7634425166. The cubic root of 6670667 is about 188.2448428271.

Subtracting 6670667 from its reverse (7660766), we obtain a palindrome (990099).

It can be divided in two parts, 6670 and 667, that added together give a palindrome (7337).

The spelling of 6670667 in words is "six million, six hundred seventy thousand, six hundred sixty-seven".