Found with PFGW Version 3.5.2

74^7463-73 is 2-PRP! (7.7026s+0.0047s)
74^7463-73 is 3-PRP! (10.8834s+0.0010s)
74^7463-73 is 5-PRP! (11.4030s+0.0010s)
74^7463-73 is 7-PRP! (12.4540s+0.0010s)
74^7463-73 is 11-PRP! (11.3725s+0.0011s)

Primality testing 74^7463-73 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 13, base 2+sqrt(13)
Calling N-1 BLS with factored part 0.33% and helper 0.04% (1.02% proof)
74^7463-73 is Fermat and Lucas PRP! (68.4755s+0.0043s)

To be completed...