973

973 is a natural number that comes after 972 and before 974. In mathematics, 973 is an odd composite number with prime factorization 7 × 139, making it a semiprime. In base-10 notation, its digits are 9, 7, and 3, all distinct, and the digit sum is 19. In Roman numerals, 973 is written as CMLXXIII.

Historically, 973 also denotes a year, specifically 973 CE, which falls in the 10th century during the medieval period.

In telecommunications, 973 is an area code used in the North American Numbering Plan to cover parts of northern New Jersey.

As a numeric identifier, 973 appears in various systems, including catalog numbers, product codes, and model identifiers, independent of its arithmetic properties.