Assuming the spouse still gets 50% if taken at 62:
Reduced SS $26,316/yr =2033
Reduced SS $13,158/yr =2034
No COLA pension $4440/yr = 2033
$1,151,900 for 35 years = 100% success
$73,100 less than if taken at 67.
Not sure it's worth it if the spouse were to die early, the survivor will take...