71168545 has 16 divisors (see below), whose sum is σ = 103344768. Its totient is φ = 45930240.

The previous prime is 71168533. The next prime is 71168549. The reversal of 71168545 is 54586117.

It is not a de Polignac number, because 71168545 - 2²¹ = 69071393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71168549) 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 15 ways as a sum of consecutive naturals, for example, 59211 + ... + 60400.

It is an arithmetic number, because the mean of its divisors is an integer number (6459048).

Almost surely, 2^71168545 is an apocalyptic number.

It is an amenable number.

71168545 is a deficient number, since it is larger than the sum of its proper divisors (32176223).

71168545 is a wasteful number, since it uses less digits than its factorization.

71168545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119640.

The product of its digits is 33600, while the sum is 37.

The square root of 71168545 is about 8436.1451504819. The cubic root of 71168545 is about 414.4091752247.

The spelling of 71168545 in words is "seventy-one million, one hundred sixty-eight thousand, five hundred forty-five".