72234705059 has 4 divisors (see below), whose sum is σ = 78801496440. Its totient is φ = 65667913680.

The previous prime is 72234705047. The next prime is 72234705061. The reversal of 72234705059 is 95050743227.

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: 95050743227 = 11 ⋅8640976657.

It is a cyclic number.

It is not a de Polignac number, because 72234705059 - 2¹² = 72234700963 is a prime.

It is a super-2 number, since 2×72234705059² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72234705089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283395674 + ... + 3283395695.

It is an arithmetic number, because the mean of its divisors is an integer number (19700374110).

Almost surely, 2^72234705059 is an apocalyptic number.

72234705059 is a deficient number, since it is larger than the sum of its proper divisors (6566791381).

72234705059 is a wasteful number, since it uses less digits than its factorization.

72234705059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566791380.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 72234705059 in words is "seventy-two billion, two hundred thirty-four million, seven hundred five thousand, fifty-nine".