71586343040 has 32 divisors (see below), whose sum is σ = 171136102860. Its totient is φ = 28634536960.

The previous prime is 71586343009. The next prime is 71586343051. The reversal of 71586343040 is 4034368517.

It can be written as a sum of positive squares in 2 ways, for example, as 69979295296 + 1607047744 = 264536^2 + 40088^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 55926191 + ... + 55927470.

Almost surely, 2^71586343040 is an apocalyptic number.

It is an amenable number.

71586343040 is an abundant number, since it is smaller than the sum of its proper divisors (99549759820).

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

71586343040 is a wasteful number, since it uses less digits than its factorization.

71586343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111853680 (or 111853668 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 71586343040 in words is "seventy-one billion, five hundred eighty-six million, three hundred forty-three thousand, forty".