71533263 has 16 divisors (see below), whose sum is σ = 101295360. Its totient is φ = 44747136.

The previous prime is 71533223. The next prime is 71533277. The reversal of 71533263 is 36233517.

It is not a de Polignac number, because 71533263 - 2¹³ = 71525071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71533263.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16356 + ... + 20262.

It is an arithmetic number, because the mean of its divisors is an integer number (6330960).

Almost surely, 2^71533263 is an apocalyptic number.

71533263 is a deficient number, since it is larger than the sum of its proper divisors (29762097).

71533263 is a wasteful number, since it uses less digits than its factorization.

71533263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286.

The product of its digits is 11340, while the sum is 30.

The square root of 71533263 is about 8457.7339163632. The cubic root of 71533263 is about 415.1158780296.

The spelling of 71533263 in words is "seventy-one million, five hundred thirty-three thousand, two hundred sixty-three".