71164233 has 24 divisors (see below), whose sum is σ = 120347136. Its totient is φ = 39672000.

The previous prime is 71164201. The next prime is 71164243. The reversal of 71164233 is 33246117.

71164233 is a `hidden beast` number, since 7 + 11 + 642 + 3 + 3 = 666.

It is not a de Polignac number, because 71164233 - 2⁵ = 71164201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71164197 and 71164206.

It is not an unprimeable number, because it can be changed into a prime (71164243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11193 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (5014464).

Almost surely, 2^71164233 is an apocalyptic number.

It is an amenable number.

71164233 is a deficient number, since it is larger than the sum of its proper divisors (49182903).

71164233 is a wasteful number, since it uses less digits than its factorization.

71164233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27605 (or 27602 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 71164233 is about 8435.8895796472. The cubic root of 71164233 is about 414.4008055699.

The spelling of 71164233 in words is "seventy-one million, one hundred sixty-four thousand, two hundred thirty-three".