74039 has 6 divisors (see below), whose sum is σ = 86184. Its totient is φ = 63420.

The previous prime is 74027. The next prime is 74047. The reversal of 74039 is 93047.

It is not a de Polignac number, because 74039 - 2⁸ = 73783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2⁷⁴⁰³⁹ is an apocalyptic number.

74039 is a deficient number, since it is larger than the sum of its proper divisors (12145).

74039 is a wasteful number, since it uses less digits than its factorization.

74039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 74039 is about 272.1010841581. The cubic root of 74039 is about 41.9907386987.

The spelling of 74039 in words is "seventy-four thousand, thirty-nine".