If you are working with an MP4 file by this name, its most useful features are inherent to the format:

: You can embed subtitles, multiple audio tracks, and chapter information directly within the file.

If "7467mp4" refers to a specific clip you’ve encountered, it may be a default filename from a Sony camera or a stock video clip. If you meant a different tool or application, please provide more regarding where you saw the name. MP4 files explained: How to open and use - Adobe