74227 has 4 divisors (see below), whose sum is σ = 74800. Its totient is φ = 73656.

The previous prime is 74219. The next prime is 74231. The reversal of 74227 is 72247.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72247 = 7 ⋅10321.

It is a cyclic number.

It is not a de Polignac number, because 74227 - 2³ = 74219 is a prime.

It is a Duffinian number.

74227 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 74198 and 74207.

It is not an unprimeable number, because it can be changed into a prime (74257) 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, 13 + ... + 385.

It is an arithmetic number, because the mean of its divisors is an integer number (18700).

2⁷⁴²²⁷ is an apocalyptic number.

74227 is a deficient number, since it is larger than the sum of its proper divisors (573).

74227 is a wasteful number, since it uses less digits than its factorization.

74227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 784, while the sum is 22.

The square root of 74227 is about 272.4463249890. The cubic root of 74227 is about 42.0262496527.

The spelling of 74227 in words is "seventy-four thousand, two hundred twenty-seven", and thus it is an iban number.