71338563 has 10 divisors (see below), whose sum is σ = 106567604. Its totient is φ = 47558988.

The previous prime is 71338541. The next prime is 71338607. The reversal of 71338563 is 36583317.

It is not a de Polignac number, because 71338563 - 2⁹ = 71338051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71338523) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 440281 + ... + 440442.

Almost surely, 2^71338563 is an apocalyptic number.

71338563 is a deficient number, since it is larger than the sum of its proper divisors (35229041).

71338563 is an equidigital number, since it uses as much as digits as its factorization.

71338563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880735 (or 880726 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 71338563 is about 8446.2158982588. The cubic root of 71338563 is about 414.7389135355.

The spelling of 71338563 in words is "seventy-one million, three hundred thirty-eight thousand, five hundred sixty-three".