71318043 has 16 divisors (see below), whose sum is σ = 111872160. Its totient is φ = 44748288.

The previous prime is 71318033. The next prime is 71318053. The reversal of 71318043 is 34081317.

It is an interprime number because it is at equal distance from previous prime (71318033) and next prime (71318053).

It is not a de Polignac number, because 71318043 - 2⁸ = 71317787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 71317998 and 71318016.

It is not an unprimeable number, because it can be changed into a prime (71318033) 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, 77230 + ... + 78147.

It is an arithmetic number, because the mean of its divisors is an integer number (6992010).

Almost surely, 2^71318043 is an apocalyptic number.

71318043 is a deficient number, since it is larger than the sum of its proper divisors (40554117).

71318043 is a wasteful number, since it uses less digits than its factorization.

71318043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155403 (or 155397 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 71318043 is about 8445.0010657193. The cubic root of 71318043 is about 414.6991442145.

The spelling of 71318043 in words is "seventy-one million, three hundred eighteen thousand, forty-three".