6627447 has 16 divisors (see below), whose sum is σ = 10336000. Its totient is φ = 4185432.

The previous prime is 6627443. The next prime is 6627479. The reversal of 6627447 is 7447266.

It is not a de Polignac number, because 6627447 - 2² = 6627443 is a prime.

6627447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627443) 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 15 ways as a sum of consecutive naturals, for example, 5947 + ... + 6972.

It is an arithmetic number, because the mean of its divisors is an integer number (646000).

Almost surely, 2^6627447 is an apocalyptic number.

6627447 is a deficient number, since it is larger than the sum of its proper divisors (3708553).

6627447 is a wasteful number, since it uses less digits than its factorization.

6627447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947 (or 12941 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 6627447 is about 2574.3828386625. The cubic root of 6627447 is about 187.8374084653.

The spelling of 6627447 in words is "six million, six hundred twenty-seven thousand, four hundred forty-seven".