71712674387 has 8 divisors (see below), whose sum is σ = 78380456832. Its totient is φ = 65317046400.

The previous prime is 71712674351. The next prime is 71712674417. The reversal of 71712674387 is 78347621717.

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

It is a de Polignac number, because none of the positive numbers 2^k-71712674387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71712674987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68038064 + ... + 68039117.

It is an arithmetic number, because the mean of its divisors is an integer number (9797557104).

Almost surely, 2^71712674387 is an apocalyptic number.

71712674387 is a deficient number, since it is larger than the sum of its proper divisors (6667782445).

71712674387 is a wasteful number, since it uses less digits than its factorization.

71712674387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136077229.

The product of its digits is 2765952, while the sum is 53.

The spelling of 71712674387 in words is "seventy-one billion, seven hundred twelve million, six hundred seventy-four thousand, three hundred eighty-seven".