The Roman numeral "CCLXXIV" represents the number 274. In this numeral, "CC" stands for 200, "LXX" represents 70, and "IV" indicates 4. Roman numerals are a numeral system originating from ancient Rome, using combinations of letters from the Latin alphabet. In the context of mathematics, understanding Roman numerals like CCLXXIV can help in learning about different numeral systems. They are often used in various applications, such as clock faces, book chapters, and movie titles, providing a historical touch to modern contexts.