'Seventy five' in the Bible

So Abram went, as the LORD had spoken to him. Lot went with him. Abram was seventy-five years old when he departed out of Haran.

These are the days of the years of Abraham's life which he lived: one hundred seventy-five years.

The sons of Joseph, who were born to him in Egypt, were nine souls. All the souls of the house of Jacob, who came into Egypt, were seventy-five.