71040703778 has 8 divisors (see below), whose sum is σ = 116248424400. Its totient is φ = 32291228980.

The previous prime is 71040703729. The next prime is 71040703801. The reversal of 71040703778 is 87730704017.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1614561428 + ... + 1614561471.

It is an arithmetic number, because the mean of its divisors is an integer number (14531053050).

Almost surely, 2^71040703778 is an apocalyptic number.

71040703778 is a deficient number, since it is larger than the sum of its proper divisors (45207720622).

71040703778 is a wasteful number, since it uses less digits than its factorization.

71040703778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229122912.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 71040703778 in words is "seventy-one billion, forty million, seven hundred three thousand, seven hundred seventy-eight".