74685 has 16 divisors (see below), whose sum is σ = 129024. Its totient is φ = 36672.

The previous prime is 74653. The next prime is 74687. The reversal of 74685 is 58647.

It is a happy number.

It is not a de Polignac number, because 74685 - 2⁵ = 74653 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74687) 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, 4 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (8064).

2⁷⁴⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

74685 is a deficient number, since it is larger than the sum of its proper divisors (54339).

74685 is a wasteful number, since it uses less digits than its factorization.

74685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 6720, while the sum is 30.

The square root of 74685 is about 273.2855649316. The cubic root of 74685 is about 42.1125101287.

The spelling of 74685 in words is "seventy-four thousand, six hundred eighty-five".