6667607 has 2 divisors, whose sum is σ = 6667608. Its totient is φ = 6667606.

The previous prime is 6667597. The next prime is 6667637. The reversal of 6667607 is 7067666.

6667607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6667607 - 2¹² = 6663511 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6667637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333803 + 3333804.

It is an arithmetic number, because the mean of its divisors is an integer number (3333804).

Almost surely, 2^6667607 is an apocalyptic number.

6667607 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667607 is an equidigital number, since it uses as much as digits as its factorization.

6667607 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6667607 is about 2582.1709858179. The cubic root of 6667607 is about 188.2160542357.

The spelling of 6667607 in words is "six million, six hundred sixty-seven thousand, six hundred seven".