71331806933 has 8 divisors (see below), whose sum is σ = 73274707968. Its totient is φ = 69401816064.

The previous prime is 71331806911. The next prime is 71331806947. The reversal of 71331806933 is 33960813317.

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

It is a cyclic number.

It is not a de Polignac number, because 71331806933 - 2²⁰ = 71330758357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71331806233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216341 + ... + 3238442.

It is an arithmetic number, because the mean of its divisors is an integer number (9159338496).

Almost surely, 2^71331806933 is an apocalyptic number.

It is an amenable number.

71331806933 is a deficient number, since it is larger than the sum of its proper divisors (1942901035).

71331806933 is a wasteful number, since it uses less digits than its factorization.

71331806933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455083.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 71331806933 in words is "seventy-one billion, three hundred thirty-one million, eight hundred six thousand, nine hundred thirty-three".