The .jpg (or .jpeg ) extension is the most widely used format for digital photography because of its efficiency.
: The numbers (like 0074 ) usually indicate the 74th photo taken in a particular folder or session. 074_0074.jpg
If you are looking for a "helpful feature" on this specific file format and how these names work, Understanding Camera Filenames 074_0074.jpg
The filename appears to be a generic, camera-generated identifier rather than a specific viral or historical topic. Typically, these alphanumeric codes are assigned by digital cameras to track images sequentially. 074_0074.jpg