8173493 has 4 divisors (see below), whose sum is σ = 8265420. Its totient is φ = 8081568.

The previous prime is 8173489. The next prime is 8173499. The reversal of 8173493 is 3943718.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1737124 + 6436369 = 1318^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 8173493 - 2² = 8173489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8173499) 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, 45830 + ... + 46007.

It is an arithmetic number, because the mean of its divisors is an integer number (2066355).

Almost surely, 2^8173493 is an apocalyptic number.

It is an amenable number.

8173493 is a deficient number, since it is larger than the sum of its proper divisors (91927).

8173493 is an equidigital number, since it uses as much as digits as its factorization.

8173493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91926.

The product of its digits is 18144, while the sum is 35.

The square root of 8173493 is about 2858.9321433011. The cubic root of 8173493 is about 201.4354478001.

The spelling of 8173493 in words is "eight million, one hundred seventy-three thousand, four hundred ninety-three".