Who called from 3472420397

he gave me this number and asked me to call him

This number is being used by an online scammer. Here is the transcript:

Scammer: hello, beautiful..U sound very sweet lady... I love to get to know u and hear your beautiful voice. I am looking for my Queen and my real love..please call me or text me I am not a big fan of online chatting .. I love ur beautiful eyes 347 242 0397, Alan,

Me: I'm not a big fan of texting strangers

Scammer: Yes u are stranger not me and you are fake scammer that's you have no decency to be real

The person then blocked me.

Good, he blocked you, so you don't need to block him.
Did you consider possibility that your phone number could be spoofed?