71847687241 has 8 divisors (see below), whose sum is σ = 78399694368. Its totient is φ = 65299080000.

The previous prime is 71847687229. The next prime is 71847687251. The reversal of 71847687241 is 14278674817.

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

It is not a de Polignac number, because 71847687241 - 2⁵ = 71847687209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71847687251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805680 + ... + 890401.

It is an arithmetic number, because the mean of its divisors is an integer number (9799961796).

Almost surely, 2^71847687241 is an apocalyptic number.

It is an amenable number.

71847687241 is a deficient number, since it is larger than the sum of its proper divisors (6552007127).

71847687241 is a wasteful number, since it uses less digits than its factorization.

71847687241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699943.

The product of its digits is 4214784, while the sum is 55.

The spelling of 71847687241 in words is "seventy-one billion, eight hundred forty-seven million, six hundred eighty-seven thousand, two hundred forty-one".