3745

3745 is a natural number that lies between 3744 and 3746. In decimal notation it is an odd composite integer.

Prime factorization of 3745 is 5 × 7 × 107. Therefore 3745 is divisible by 5, 7, and 107. Its positive divisors are 1, 5, 7, 35, 107, 535, 749, and 3745.

In different bases, 3745 equals 111010100001 in binary, 0xEA1 in hexadecimal, and 0o7241 in octal.

The number has eight divisors, so tau(3745) = 8. The sum of all divisors is sigma(3745) = 5184, and the sum of proper divisors is 1439. It is not a prime, and it is not a Harshad or triangular number.

If used as a year, 3745 CE would be in the distant future; 3745 BCE would refer to an ancient historical era, depending on the calendar system used.

In various catalogs and product lines, 3745 may appear as a model or code, but there is no universally defining meaning attached to the number alone.