71312037218 has 8 divisors (see below), whose sum is σ = 107071011840. Its totient is φ = 35621699940.

The previous prime is 71312037191. The next prime is 71312037227. The reversal of 71312037218 is 81273021317.

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, 17156738 + ... + 17160893.

It is an arithmetic number, because the mean of its divisors is an integer number (13383876480).

Almost surely, 2^71312037218 is an apocalyptic number.

71312037218 is a deficient number, since it is larger than the sum of its proper divisors (35758974622).

71312037218 is a wasteful number, since it uses less digits than its factorization.

71312037218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34318672.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 71312037218 in words is "seventy-one billion, three hundred twelve million, thirty-seven thousand, two hundred eighteen".