2014 was only two years ago. Assuming you took multiple classes with someone and/or those classes had fewer than 30 students, there will be at least a couple of professors who remember you.
And yes, you want a higher quantitative score than that if at all possible. Without knowing what your research interests are, no one here can help you decide where to apply. Fit plays a key role in grad admissions so you'll want to make sure you look into the faculty at each program you're considering and make sure there are at least two people who could (and would be willing to) supervise your research. This is especially important for PhD programs.
