764

764 is a natural number that follows 763 and precedes 765. It is an even and composite integer with prime factorization 2^2 × 191. Its divisors are 1, 2, 4, 191, 382, and 764. The sum of its proper divisors is 580, which makes 764 a deficient number (not perfect or abundant).

In different numeral systems, 764 is represented as follows: binary 1011111100, octal 1374, and hexadecimal 2FC. In Roman numerals it is written as DCCLXIV.

As a year designation, 764 can denote a year in historical chronologies using the Julian or Gregorian calendar conventions, depending on the era and locale. In the realm of mathematics and number theory, 764 does not belong to a widely cited special category such as a square, cube, or triangular number, beyond its basic classification as an even composite.

In summary, 764 is a modestly composite, even integer with several standard base representations and a straightforward place in the sequence of natural numbers.