71045375709 has 16 divisors (see below), whose sum is σ = 118101404160. Its totient is φ = 36906688560.

The previous prime is 71045375683. The next prime is 71045375741. The reversal of 71045375709 is 90757354017.

It is not a de Polignac number, because 71045375709 - 2⁷ = 71045375581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71045375759) 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, 153777639 + ... + 153778100.

It is an arithmetic number, because the mean of its divisors is an integer number (7381337760).

Almost surely, 2^71045375709 is an apocalyptic number.

It is an amenable number.

71045375709 is a deficient number, since it is larger than the sum of its proper divisors (47056028451).

71045375709 is a wasteful number, since it uses less digits than its factorization.

71045375709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307555760.

The product of its (nonzero) digits is 926100, while the sum is 48.

The spelling of 71045375709 in words is "seventy-one billion, forty-five million, three hundred seventy-five thousand, seven hundred nine".