71147924073 has 24 divisors (see below), whose sum is σ = 106605635136. Its totient is φ = 47418534000.

The previous prime is 71147924063. The next prime is 71147924147. The reversal of 71147924073 is 37042974117.

71147924073 is a `hidden beast` number, since 71 + 1 + 479 + 2 + 40 + 73 = 666.

It is not a de Polignac number, because 71147924073 - 2²⁶ = 71080815209 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (71147924063) 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 23 ways as a sum of consecutive naturals, for example, 859788 + ... + 938898.

It is an arithmetic number, because the mean of its divisors is an integer number (4441901464).

Almost surely, 2^71147924073 is an apocalyptic number.

It is an amenable number.

71147924073 is a deficient number, since it is larger than the sum of its proper divisors (35457711063).

71147924073 is an equidigital number, since it uses as much as digits as its factorization.

71147924073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82827 (or 82815 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 71147924073 in words is "seventy-one billion, one hundred forty-seven million, nine hundred twenty-four thousand, seventy-three".