If this is a file you found on your device, it was likely created or downloaded on . Configuration for 'NOT' saving Pictures, Videos, .exe. etc.
: Apps like Telegram or WhatsApp sometimes rename saved media using internal database IDs and timestamps. 73755-_1678837156.mp4
: This is a Unix timestamp , which translates to Tuesday, March 14, 2023, at 11:39:16 PM (UTC) . Possible Origins Files with this naming convention often originate from: If this is a file you found on
The filename appears to be a system-generated or timestamped media file. Based on the components of the name: which translates to Tuesday