74286 has 12 divisors (see below), whose sum is σ = 160992. Its totient is φ = 24756.

The previous prime is 74279. The next prime is 74287. The reversal of 74286 is 68247.

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 (74287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2046 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (13416).

2⁷⁴²⁸⁶ is an apocalyptic number.

74286 is an abundant number, since it is smaller than the sum of its proper divisors (86706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74286 is a wasteful number, since it uses less digits than its factorization.

74286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135 (or 4132 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 74286 is about 272.5545816896. The cubic root of 74286 is about 42.0373816849.

It can be divided in two parts, 742 and 86, that added together give a palindrome (828).

The spelling of 74286 in words is "seventy-four thousand, two hundred eighty-six".