71005227 has 16 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 46777472.

The previous prime is 71005219. The next prime is 71005229. The reversal of 71005227 is 72250017.

It is a cyclic number.

It is not a de Polignac number, because 71005227 - 2³ = 71005219 is a prime.

It is a super-2 number, since 2×71005227² = 10083484522643058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71005197 and 71005206.

It is not an unprimeable number, because it can be changed into a prime (71005229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119443 + ... + 120035.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^71005227 is an apocalyptic number.

71005227 is a deficient number, since it is larger than the sum of its proper divisors (24795093).

71005227 is a wasteful number, since it uses less digits than its factorization.

71005227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 71005227 is about 8426.4599328544. The cubic root of 71005227 is about 414.0919362208.

The spelling of 71005227 in words is "seventy-one million, five thousand, two hundred twenty-seven".