74003 has 4 divisors (see below), whose sum is σ = 75768. Its totient is φ = 72240.

The previous prime is 73999. The next prime is 74017. The reversal of 74003 is 30047.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74003 - 2² = 73999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 12.

It is not an unprimeable number, because it can be changed into a prime (74093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818 + ... + 903.

It is an arithmetic number, because the mean of its divisors is an integer number (18942).

2⁷⁴⁰⁰³ is an apocalyptic number.

74003 is a deficient number, since it is larger than the sum of its proper divisors (1765).

74003 is a wasteful number, since it uses less digits than its factorization.

74003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 74003 is about 272.0349242285. The cubic root of 74003 is about 41.9839318732.

Subtracting from 74003 its reverse (30047), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 74003 in words is "seventy-four thousand, three", and thus it is an iban number.