6604173 has 10 divisors (see below), whose sum is σ = 9865614. Its totient is φ = 4402728.

The previous prime is 6604133. The next prime is 6604181. The reversal of 6604173 is 3714066.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 116964 = 2547^2 + 342^2 .

It is not a de Polignac number, because 6604173 - 2⁸ = 6603917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

6604173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604133) 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 9 ways as a sum of consecutive naturals, for example, 40686 + ... + 40847.

Almost surely, 2^6604173 is an apocalyptic number.

It is an amenable number.

6604173 is a deficient number, since it is larger than the sum of its proper divisors (3261441).

6604173 is an equidigital number, since it uses as much as digits as its factorization.

6604173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81545 (or 81536 counting only the distinct ones).

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

The square root of 6604173 is about 2569.8585564190. The cubic root of 6604173 is about 187.6172706386.

The spelling of 6604173 in words is "six million, six hundred four thousand, one hundred seventy-three".