71066724245 has 16 divisors (see below), whose sum is σ = 93296377152. Its totient is φ = 51538460160.

The previous prime is 71066724241. The next prime is 71066724263. The reversal of 71066724245 is 54242766017.

It is a happy number.

It is not a de Polignac number, because 71066724245 - 2² = 71066724241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71066724196 and 71066724205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71066724241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810787 + ... + 1849616.

It is an arithmetic number, because the mean of its divisors is an integer number (5831023572).

Almost surely, 2^71066724245 is an apocalyptic number.

It is an amenable number.

71066724245 is a deficient number, since it is larger than the sum of its proper divisors (22229652907).

71066724245 is a wasteful number, since it uses less digits than its factorization.

71066724245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660772.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 71066724245 in words is "seventy-one billion, sixty-six million, seven hundred twenty-four thousand, two hundred forty-five".