6620673 has 8 divisors (see below), whose sum is σ = 8877600. Its totient is φ = 4388768.

The previous prime is 6620629. The next prime is 6620681. The reversal of 6620673 is 3760266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6620673 - 2¹⁰ = 6619649 is a prime.

6620673 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6620673.

It is not an unprimeable number, because it can be changed into a prime (6620693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5628 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (1109700).

Almost surely, 2^6620673 is an apocalyptic number.

It is an amenable number.

6620673 is a deficient number, since it is larger than the sum of its proper divisors (2256927).

6620673 is a wasteful number, since it uses less digits than its factorization.

6620673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 6620673 is about 2573.0668471690. The cubic root of 6620673 is about 187.7733896273.

The spelling of 6620673 in words is "six million, six hundred twenty thousand, six hundred seventy-three".