A number worth knowing.
| Factorization | 3 × 5 × 7² |
| Divisors | 1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735 |
| Digit sum | 7+3+5 = 15 · 735 ÷ 15 = 49 (Harshad number) |
| Metric HP | 1 PS = 75 kgf·m/s = 735.499 W |
| Binary | 10110111112 |
| Hexadecimal | 0x2DF |
| Asteroid | 735 Marghanna — discovered 1912 |
| Duration | 735 days = 2 years and 5 days |