74255 has 4 divisors (see below), whose sum is σ = 89112. Its totient is φ = 59400.

The previous prime is 74231. The next prime is 74257. The reversal of 74255 is 55247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55247 = 101 ⋅547.

It is not a de Polignac number, because 74255 - 2⁸ = 73999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74257) 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 3 ways as a sum of consecutive naturals, for example, 7421 + ... + 7430.

It is an arithmetic number, because the mean of its divisors is an integer number (22278).

2⁷⁴²⁵⁵ is an apocalyptic number.

74255 is a deficient number, since it is larger than the sum of its proper divisors (14857).

74255 is a wasteful number, since it uses less digits than its factorization.

74255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856.

The product of its digits is 1400, while the sum is 23.

The square root of 74255 is about 272.4977064124. The cubic root of 74255 is about 42.0315333862.

It can be divided in two parts, 742 and 55, that added together give a palindrome (797).

The spelling of 74255 in words is "seventy-four thousand, two hundred fifty-five".