71827533 has 16 divisors (see below), whose sum is σ = 112671360. Its totient is φ = 45067968.

The previous prime is 71827523. The next prime is 71827537. The reversal of 71827533 is 33572817.

It is not a de Polignac number, because 71827533 - 2¹⁴ = 71811149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71827537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77785 + ... + 78702.

It is an arithmetic number, because the mean of its divisors is an integer number (7041960).

Almost surely, 2^71827533 is an apocalyptic number.

It is an amenable number.

71827533 is a deficient number, since it is larger than the sum of its proper divisors (40843827).

71827533 is a wasteful number, since it uses less digits than its factorization.

71827533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156513 (or 156507 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 71827533 is about 8475.1125656241. The cubic root of 71827533 is about 415.6843269788.

The spelling of 71827533 in words is "seventy-one million, eight hundred twenty-seven thousand, five hundred thirty-three".