71247727013042 has 8 divisors (see below), whose sum is σ = 107579349397632. Its totient is φ = 35387943880500.

The previous prime is 71247727012999. The next prime is 71247727013077. The reversal of 71247727013042 is 24031072774217.

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

It is a super-2 number, since 2×71247727013042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117959812634 + ... + 117959813237.

It is an arithmetic number, because the mean of its divisors is an integer number (13447418674704).

Almost surely, 2^{71247727013042} is an apocalyptic number.

71247727013042 is a deficient number, since it is larger than the sum of its proper divisors (36331622384590).

71247727013042 is a wasteful number, since it uses less digits than its factorization.

71247727013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235919626024.

The product of its (nonzero) digits is 921984, while the sum is 47.

Adding to 71247727013042 its reverse (24031072774217), we get a palindrome (95278799787259).

The spelling of 71247727013042 in words is "seventy-one trillion, two hundred forty-seven billion, seven hundred twenty-seven million, thirteen thousand, forty-two".