This is the 10987th most frequent Catalan word.
setanta
Seventy.
In this sentence, 'setanta' refers to someone's age, specifically seventy years.
És interessant que als setanta-anys sigui tan actiu.
It's interesting that at seventy years old, he is so active.
Here, 'setanta' is used to indicate the number seventy in counting.
Hi ha setanta persones al parc.
There are seventy people in the park.
'Setanta' is again used as a cardinal number specifying a quantity.