I have a report ID in Apex and would like to retrieve the report type or the primary object associated with the report. Could anybody please suggest an appropriate method to achieve this?

Hello @Subham Koner , there is no object name mentioned on the Report objetc

https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_report.htm

I guess you should try to mention the object name in the description field (or so) to be able to query it from your Apex code.

Please also have a look at this thread to see other fields retrieved

https://trailhead.salesforce.com/trailblazer-community/feed/0D54V00007T4CZUSA3

Eric