71547640104 has 32 divisors (see below), whose sum is σ = 189390813120. Its totient is φ = 22446318336.

The previous prime is 71547640091. The next prime is 71547640133. The reversal of 71547640104 is 40104674517.

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, 87680524 + ... + 87681339.

It is an arithmetic number, because the mean of its divisors is an integer number (5918462910).

Almost surely, 2^71547640104 is an apocalyptic number.

It is an amenable number.

71547640104 is an abundant number, since it is smaller than the sum of its proper divisors (117843173016).

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

71547640104 is a wasteful number, since it uses less digits than its factorization.

71547640104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175361889 (or 175361885 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 71547640104 in words is "seventy-one billion, five hundred forty-seven million, six hundred forty thousand, one hundred four".