74045 has 8 divisors (see below), whose sum is σ = 90720. Its totient is φ = 58000.

The previous prime is 74027. The next prime is 74047. The reversal of 74045 is 54047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-74045 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2⁷⁴⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

74045 is a deficient number, since it is larger than the sum of its proper divisors (16675).

74045 is a wasteful number, since it uses less digits than its factorization.

74045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 74045 is about 272.1121092491. The cubic root of 74045 is about 41.9918729551.

The spelling of 74045 in words is "seventy-four thousand, forty-five".