74135 has 4 divisors (see below), whose sum is σ = 88968. Its totient is φ = 59304.

The previous prime is 74131. The next prime is 74143. The reversal of 74135 is 53147.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74135 - 2² = 74131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74131) 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, 7409 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (22242).

2⁷⁴¹³⁵ is an apocalyptic number.

74135 is a deficient number, since it is larger than the sum of its proper divisors (14833).

74135 is a wasteful number, since it uses less digits than its factorization.

74135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832.

The product of its digits is 420, while the sum is 20.

The square root of 74135 is about 272.2774320431. The cubic root of 74135 is about 42.0088794529.

The spelling of 74135 in words is "seventy-four thousand, one hundred thirty-five".