That is a really loaded question, the best place to find the answer for that is to look at Boeing's website, though i doubt they even have a number, the 737 is one of the most popular passenger aircraft in the world, there are a lot in service.
The Boeing 737 is assembled in Renton, WA
2 pilots can fit in the cockpit of the boeing 737
Assuming you mean Alaskan Airlines, their fleet consists of: Boeing 737-900 Boeing 737-900ER Boeing 737-800 Boeing 737-700 Boeing 737-400 Boeing 737-400 Combi Bombardier Q400 Bombardier CRJ-700
The Boeing 737 uses 6 tires. 4 in the back, and 2 for the nose.
Bahamasair will get 3 Boeing 737-500 jets from Aerolíneas Argentinas.
Boeing 737-100
800
The famous 737 was built by the aircraft manufacturer called Boeing. This aircraft manufacturer also built the 747, the 787, and the 777, in addition to being well rated as an airline.
The Boeing 737-900ER cost $89.6 million.
one the T-43
Two (2)
45.65 tons when empty.