71032686107438 has 16 divisors (see below), whose sum is σ = 120243418490160. Its totient is φ = 31174219608000.

The previous prime is 71032686107407. The next prime is 71032686107459. The reversal of 71032686107438 is 83470168623017.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55668248663 + ... + 55668249938.

It is an arithmetic number, because the mean of its divisors is an integer number (7515213655635).

Almost surely, 2^{71032686107438} is an apocalyptic number.

71032686107438 is a deficient number, since it is larger than the sum of its proper divisors (49210732382722).

71032686107438 is a wasteful number, since it uses less digits than its factorization.

71032686107438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111336498643.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 71032686107438 in words is "seventy-one trillion, thirty-two billion, six hundred eighty-six million, one hundred seven thousand, four hundred thirty-eight".