74493 has 16 divisors (see below), whose sum is σ = 115200. Its totient is φ = 47520.

The previous prime is 74489. The next prime is 74507. The reversal of 74493 is 39447.

It is not a de Polignac number, because 74493 - 2² = 74489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (7200).

2⁷⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

74493 is a deficient number, since it is larger than the sum of its proper divisors (40707).

74493 is a wasteful number, since it uses less digits than its factorization.

74493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 74493 is about 272.9340579701. The cubic root of 74493 is about 42.0763915834.

The spelling of 74493 in words is "seventy-four thousand, four hundred ninety-three".