6672787 has 6 divisors (see below), whose sum is σ = 7334684. Its totient is φ = 6066060.

The previous prime is 6672779. The next prime is 6672797. The reversal of 6672787 is 7872766.

It is not a de Polignac number, because 6672787 - 2³ = 6672779 is a prime.

It is a Duffinian number.

6672787 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6672797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27453 + ... + 27694.

Almost surely, 2^6672787 is an apocalyptic number.

6672787 is a deficient number, since it is larger than the sum of its proper divisors (661897).

6672787 is a wasteful number, since it uses less digits than its factorization.

6672787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55169 (or 55158 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 6672787 is about 2583.1738230324. The cubic root of 6672787 is about 188.2647827021.

The spelling of 6672787 in words is "six million, six hundred seventy-two thousand, seven hundred eighty-seven".