71533306733 has 8 divisors (see below), whose sum is σ = 85306800768. Its totient is φ = 58648425264.

The previous prime is 71533306711. The next prime is 71533306751. The reversal of 71533306733 is 33760333517.

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 71533306733 - 2⁸ = 71533306477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71533306633) 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, 222152966 + ... + 222153287.

It is an arithmetic number, because the mean of its divisors is an integer number (10663350096).

Almost surely, 2^71533306733 is an apocalyptic number.

It is an amenable number.

71533306733 is a deficient number, since it is larger than the sum of its proper divisors (13773494035).

71533306733 is a wasteful number, since it uses less digits than its factorization.

71533306733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444306283.

The product of its (nonzero) digits is 357210, while the sum is 41.

The spelling of 71533306733 in words is "seventy-one billion, five hundred thirty-three million, three hundred six thousand, seven hundred thirty-three".