3645173 has 8 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 3088800.

The previous prime is 3645151. The next prime is 3645193. The reversal of 3645173 is 3715463.

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 3645173 - 2¹⁰ = 3644149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2303 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 2^3645173 is an apocalyptic number.

It is an amenable number.

3645173 is a deficient number, since it is larger than the sum of its proper divisors (568267).

3645173 is an equidigital number, since it uses as much as digits as its factorization.

3645173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947.

The product of its digits is 7560, while the sum is 29.

The square root of 3645173 is about 1909.2336158784. The cubic root of 3645173 is about 153.9002699429.

The spelling of 3645173 in words is "three million, six hundred forty-five thousand, one hundred seventy-three".