71347563 has 24 divisors (see below), whose sum is σ = 119545088. Its totient is φ = 40159152.

The previous prime is 71347553. The next prime is 71347567. The reversal of 71347563 is 36574317.

It is not a de Polignac number, because 71347563 - 2⁵ = 71347531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71347567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4231 + ... + 12672.

Almost surely, 2^71347563 is an apocalyptic number.

71347563 is a deficient number, since it is larger than the sum of its proper divisors (48197525).

71347563 is a wasteful number, since it uses less digits than its factorization.

71347563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16983 (or 16980 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 71347563 is about 8446.7486644270. The cubic root of 71347563 is about 414.7563538142.

The spelling of 71347563 in words is "seventy-one million, three hundred forty-seven thousand, five hundred sixty-three".