71533063 has 4 divisors (see below), whose sum is σ = 81752080. Its totient is φ = 61314048.

The previous prime is 71533057. The next prime is 71533073. The reversal of 71533063 is 36033517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36033517 = 13 ⋅2771809.

It is a cyclic number.

It is not a de Polignac number, because 71533063 - 2⁹ = 71532551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71533073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5109498 + ... + 5109511.

It is an arithmetic number, because the mean of its divisors is an integer number (20438020).

Almost surely, 2^71533063 is an apocalyptic number.

71533063 is a deficient number, since it is larger than the sum of its proper divisors (10219017).

71533063 is a wasteful number, since it uses less digits than its factorization.

71533063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219016.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 71533063 is about 8457.7220928569. The cubic root of 71533063 is about 415.1154911548.

The spelling of 71533063 in words is "seventy-one million, five hundred thirty-three thousand, sixty-three".