4173643 has 4 divisors (see below), whose sum is σ = 4179280. Its totient is φ = 4168008.

The previous prime is 4173641. The next prime is 4173683. The reversal of 4173643 is 3463714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3463714 = 2 ⋅1731857.

It is a cyclic number.

It is not a de Polignac number, because 4173643 - 2¹ = 4173641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4173641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (1044820).

Almost surely, 2^4173643 is an apocalyptic number.

4173643 is a deficient number, since it is larger than the sum of its proper divisors (5637).

4173643 is an equidigital number, since it uses as much as digits as its factorization.

4173643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636.

The product of its digits is 6048, while the sum is 28.

The square root of 4173643 is about 2042.9495833231. The cubic root of 4173643 is about 161.0046550356.

The spelling of 4173643 in words is "four million, one hundred seventy-three thousand, six hundred forty-three".