6620067 has 12 divisors (see below), whose sum is σ = 9978384. Its totient is φ = 4221360.

The previous prime is 6620059. The next prime is 6620083. The reversal of 6620067 is 7600266.

It is not a de Polignac number, because 6620067 - 2³ = 6620059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6620067.

It is not an unprimeable number, because it can be changed into a prime (6620017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15784 + ... + 16197.

It is an arithmetic number, because the mean of its divisors is an integer number (831532).

Almost surely, 2^6620067 is an apocalyptic number.

6620067 is a deficient number, since it is larger than the sum of its proper divisors (3358317).

6620067 is a wasteful number, since it uses less digits than its factorization.

6620067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32010 (or 32007 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 6620067 is about 2572.9490861655. The cubic root of 6620067 is about 187.7676603937.

The spelling of 6620067 in words is "six million, six hundred twenty thousand, sixty-seven".