71109391674 has 16 divisors (see below), whose sum is σ = 142252463520. Its totient is φ = 23697517200.

The previous prime is 71109391673. The next prime is 71109391699. The reversal of 71109391674 is 47619390117.

It is not an unprimeable number, because it can be changed into a prime (71109391673) 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, 1375852 + ... + 1426599.

It is an arithmetic number, because the mean of its divisors is an integer number (8890778970).

Almost surely, 2^71109391674 is an apocalyptic number.

71109391674 is an abundant number, since it is smaller than the sum of its proper divisors (71143071846).

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

71109391674 is a wasteful number, since it uses less digits than its factorization.

71109391674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806685.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 71109391674 in words is "seventy-one billion, one hundred nine million, three hundred ninety-one thousand, six hundred seventy-four".