6627967 has 4 divisors (see below), whose sum is σ = 6672600. Its totient is φ = 6583336.

The previous prime is 6627949. The next prime is 6627989. The reversal of 6627967 is 7697266.

It is a happy number.

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 6627967 - 2¹⁹ = 6103679 is a prime.

It is an Ulam number.

It is a Duffinian number.

6627967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627917) 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, 22093 + ... + 22390.

It is an arithmetic number, because the mean of its divisors is an integer number (1668150).

Almost surely, 2^6627967 is an apocalyptic number.

6627967 is a deficient number, since it is larger than the sum of its proper divisors (44633).

6627967 is a wasteful number, since it uses less digits than its factorization.

6627967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44632.

The product of its digits is 190512, while the sum is 43.

The square root of 6627967 is about 2574.4838317612. The cubic root of 6627967 is about 187.8423210104.

The spelling of 6627967 in words is "six million, six hundred twenty-seven thousand, nine hundred sixty-seven".