74616

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 4, 5, 6 and 7.at n=12A137046
• Number of length 1+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.at n=22A245951
• Least k such that prime(n) is the smallest prime p for which k^2 + p^2 is also prime, or 0 if none.at n=56A263466
• Moran numbers whose arithmetic derivative is also a Moran number (A001101).at n=32A349485