Joe Biden's campaign, the Democratic National Committee, and their joint fundraising committees raised $70 million over the party's four-day convention this week, Biden's campaign told CNN on Friday, the TV channel reported.

The haul comes the week after raising $48 million in the first two days after Biden selected Senator Kamala Harris of California as his running mate.

Over four days, roughly 122 million people watched the convention—including 85.1 million on television and 35.5 million livestream views combined over the online platforms of organizations that streamed the convention, Biden's campaign said.

The US presidential election is slated for November 3.