72233429759 has 4 divisors (see below), whose sum is σ = 76035189240. Its totient is φ = 68431670280.

The previous prime is 72233429717. The next prime is 72233429791. The reversal of 72233429759 is 95792433227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95792433227 = 150107 ⋅638161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72233429759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72233429759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72233429659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900879712 + ... + 1900879749.

It is an arithmetic number, because the mean of its divisors is an integer number (19008797310).

Almost surely, 2^72233429759 is an apocalyptic number.

72233429759 is a deficient number, since it is larger than the sum of its proper divisors (3801759481).

72233429759 is a wasteful number, since it uses less digits than its factorization.

72233429759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801759480.

The product of its digits is 5715360, while the sum is 53.

The spelling of 72233429759 in words is "seventy-two billion, two hundred thirty-three million, four hundred twenty-nine thousand, seven hundred fifty-nine".