71942881206 has 16 divisors (see below), whose sum is σ = 164440871424. Its totient is φ = 20555108904.

The previous prime is 71942881201. The next prime is 71942881217. The reversal of 71942881206 is 60218824917.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71942881201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856462830 + ... + 856462913.

It is an arithmetic number, because the mean of its divisors is an integer number (10277554464).

Almost surely, 2^71942881206 is an apocalyptic number.

71942881206 is an abundant number, since it is smaller than the sum of its proper divisors (92497990218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71942881206 is a wasteful number, since it uses less digits than its factorization.

71942881206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712925755.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 71942881206 in words is "seventy-one billion, nine hundred forty-two million, eight hundred eighty-one thousand, two hundred six".