The Lord God put only 70 into Egypt!
Could that be the number of His remnant?
70 is one of those theme numbers
70 went out of egypt with Jacob
Deuteronomy 10:22
Your fathers went down to Egypt seventy persons, and now the LORD your God has made you as numerous as the stars of heaven.
Jesus sends out 70
Luke 10
1After these things the LORD appointed other seventy also, and sent them two and two before his face into every city and place, whither he himself would come.
Moses has 70 elders
Numbers 11:25
Then the LORD came down in the cloud and spoke to him, and took some of the Spirit that was on him and put it on the seventy elders. And as soon as the Spirit rested on them, they prophesied. But they did not continue doing it.
And I'm told this number is also seventy [Jewish idea of 70 nations each with its own angel]
8When the Most High gave to the nations their inheritance,
when he divided mankind,
he fixed the borders of the peoples
according to the number of the sons of God.