Based on an estimated $0.7–$2 CPM, this video's 640K views translate to an estimated $448 – $1.28K in lifetime ad revenue.
Revenue estimate
Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.
Total (all-time)$448 – $1.28K