74285 has 8 divisors (see below), whose sum is σ = 90720. Its totient is φ = 58384.

The previous prime is 74279. The next prime is 74287. The reversal of 74285 is 58247.

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

It is a cyclic number.

It is not a de Polignac number, because 74285 - 2¹⁴ = 57901 is a prime.

It is a super-2 number, since 2×74285² = 11036522450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 326 + ... + 504.

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

2⁷⁴²⁸⁵ is an apocalyptic number.

It is an amenable number.

74285 is a deficient number, since it is larger than the sum of its proper divisors (16435).

74285 is a wasteful number, since it uses less digits than its factorization.

74285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 2240, while the sum is 26.

The square root of 74285 is about 272.5527471885. The cubic root of 74285 is about 42.0371930555.

The spelling of 74285 in words is "seventy-four thousand, two hundred eighty-five".