71912982733 has 4 divisors (see below), whose sum is σ = 72289490688. Its totient is φ = 71536474780.

The previous prime is 71912982619. The next prime is 71912982781. The reversal of 71912982733 is 33728921917.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71912982733 - 2²⁵ = 71879428301 is a prime.

It is a super-2 number, since 2×71912982733² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71912982233) 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 3 ways as a sum of consecutive naturals, for example, 188253691 + ... + 188254072.

It is an arithmetic number, because the mean of its divisors is an integer number (18072372672).

Almost surely, 2^71912982733 is an apocalyptic number.

It is an amenable number.

71912982733 is a deficient number, since it is larger than the sum of its proper divisors (376507955).

71912982733 is a wasteful number, since it uses less digits than its factorization.

71912982733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376507954.

The product of its digits is 1143072, while the sum is 52.

The spelling of 71912982733 in words is "seventy-one billion, nine hundred twelve million, nine hundred eighty-two thousand, seven hundred thirty-three".