71227 has 4 divisors (see below), whose sum is σ = 76720. Its totient is φ = 65736.

The previous prime is 71209. The next prime is 71233. The reversal of 71227 is 72217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72217 = 257 ⋅281.

It is a cyclic number.

It is not a de Polignac number, because 71227 - 2¹⁵ = 38459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71237) 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, 2727 + ... + 2752.

It is an arithmetic number, because the mean of its divisors is an integer number (19180).

2⁷¹²²⁷ is an apocalyptic number.

71227 is a deficient number, since it is larger than the sum of its proper divisors (5493).

71227 is a wasteful number, since it uses less digits than its factorization.

71227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its digits is 196, while the sum is 19.

The square root of 71227 is about 266.8838698760. The cubic root of 71227 is about 41.4522603889.

Subtracting 71227 from its reverse (72217), we obtain a triangular number (990 = T₄₄).

The spelling of 71227 in words is "seventy-one thousand, two hundred twenty-seven", and thus it is an iban number.