71403680076 has 12 divisors (see below), whose sum is σ = 166608586872. Its totient is φ = 23801226688.

The previous prime is 71403680009. The next prime is 71403680083. The reversal of 71403680076 is 67008630417.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975153325 + ... + 2975153348.

It is an arithmetic number, because the mean of its divisors is an integer number (13884048906).

Almost surely, 2^71403680076 is an apocalyptic number.

It is an amenable number.

71403680076 is an abundant number, since it is smaller than the sum of its proper divisors (95204906796).

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

71403680076 is a wasteful number, since it uses less digits than its factorization.

71403680076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950306680 (or 5950306678 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 71403680076 in words is "seventy-one billion, four hundred three million, six hundred eighty thousand, seventy-six".