71323533 has 12 divisors (see below), whose sum is σ = 103254268. Its totient is φ = 47442240.

The previous prime is 71323523. The next prime is 71323537. The reversal of 71323533 is 33532317.

It can be written as a sum of positive squares in 2 ways, for example, as 63011844 + 8311689 = 7938^2 + 2883^2 .

It is not a de Polignac number, because 71323533 - 2⁵ = 71323501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71323497 and 71323506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71323537) 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 11 ways as a sum of consecutive naturals, for example, 4558 + ... + 12783.

Almost surely, 2^71323533 is an apocalyptic number.

It is an amenable number.

71323533 is a deficient number, since it is larger than the sum of its proper divisors (31930735).

71323533 is a wasteful number, since it uses less digits than its factorization.

71323533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17804 (or 17801 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 71323533 is about 8445.3261038281. The cubic root of 71323533 is about 414.7097849995.

The spelling of 71323533 in words is "seventy-one million, three hundred twenty-three thousand, five hundred thirty-three".