71533227 has 8 divisors (see below), whose sum is σ = 98666640. Its totient is φ = 46044320.

The previous prime is 71533223. The next prime is 71533277. The reversal of 71533227 is 72233517.

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 71533227 - 2² = 71533223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71533194 and 71533203.

It is not an unprimeable number, because it can be changed into a prime (71533223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411024 + ... + 411197.

It is an arithmetic number, because the mean of its divisors is an integer number (12333330).

Almost surely, 2^71533227 is an apocalyptic number.

71533227 is a deficient number, since it is larger than the sum of its proper divisors (27133413).

71533227 is a wasteful number, since it uses less digits than its factorization.

71533227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822253.

The product of its digits is 8820, while the sum is 30.

The square root of 71533227 is about 8457.7317881333. The cubic root of 71533227 is about 415.1158083922.

The spelling of 71533227 in words is "seventy-one million, five hundred thirty-three thousand, two hundred twenty-seven".