71906495233 has 4 divisors (see below), whose sum is σ = 71913101248. Its totient is φ = 71899889220.

The previous prime is 71906495231. The next prime is 71906495299. The reversal of 71906495233 is 33259460917.

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 71906495233 - 2¹ = 71906495231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71906495231) 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, 3286653 + ... + 3308458.

It is an arithmetic number, because the mean of its divisors is an integer number (17978275312).

Almost surely, 2^71906495233 is an apocalyptic number.

It is an amenable number.

71906495233 is a deficient number, since it is larger than the sum of its proper divisors (6606015).

71906495233 is a wasteful number, since it uses less digits than its factorization.

71906495233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606014.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 71906495233 in words is "seventy-one billion, nine hundred six million, four hundred ninety-five thousand, two hundred thirty-three".