71160071 has 4 divisors (see below), whose sum is σ = 71229600. Its totient is φ = 71090544.

The previous prime is 71160049. The next prime is 71160083. The reversal of 71160071 is 17006117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71160071 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 (71160041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33206 + ... + 35283.

It is an arithmetic number, because the mean of its divisors is an integer number (17807400).

Almost surely, 2^71160071 is an apocalyptic number.

71160071 is a deficient number, since it is larger than the sum of its proper divisors (69529).

71160071 is a wasteful number, since it uses less digits than its factorization.

71160071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69528.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 71160071 is about 8435.6428919200. The cubic root of 71160071 is about 414.3927267467.

Adding to 71160071 its reverse (17006117), we get a palindrome (88166188).

The spelling of 71160071 in words is "seventy-one million, one hundred sixty thousand, seventy-one".