71608640034 has 16 divisors (see below), whose sum is σ = 143225053920. Its totient is φ = 23868251040.

The previous prime is 71608640023. The next prime is 71608640057. The reversal of 71608640034 is 43004680617.

It is a junction number, because it is equal to n+sod(n) for n = 71608639974 and 71608640001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200547 + ... + 428294.

It is an arithmetic number, because the mean of its divisors is an integer number (8951565870).

Almost surely, 2^71608640034 is an apocalyptic number.

71608640034 is an abundant number, since it is smaller than the sum of its proper divisors (71616413886).

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

71608640034 is a wasteful number, since it uses less digits than its factorization.

71608640034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647825.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 71608640034 in words is "seventy-one billion, six hundred eight million, six hundred forty thousand, thirty-four".