7478

7478 is a natural number that follows 7477 and precedes 7479. In the decimal system, it is an even composite number.

Its prime factorization is 7478 = 2 × 3739, with 3739 prime. Therefore, 7478 is a semiprime, a product of two prime numbers. The digit sum is 26, giving a digital root of 8. It is divisible by 2 but not by 3 or 5; it is not a multiple of 4 since 7478/2 = 3739 is odd.

Representations in other bases include binary 1110100110110, hexadecimal 0x1D36, and octal 16466. These representations reflect its status as a small composite number with a simple factorization.

In mathematical contexts, 7478 is often cited as an example of a semiprime and a case study for properties of even composite numbers. It has no special significance beyond its factorization and base representations, and it serves as a straightforward data point in discussions of number structure and base conversion.