72050216843 has 4 divisors (see below), whose sum is σ = 78600236568. Its totient is φ = 65500197120.

The previous prime is 72050216807. The next prime is 72050216869. The reversal of 72050216843 is 34861205027.

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: 34861205027 = 11 ⋅3169200457.

It is a cyclic number.

It is not a de Polignac number, because 72050216843 - 2⁶ = 72050216779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72050216797 and 72050216806.

It is not an unprimeable number, because it can be changed into a prime (72050216803) 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, 3275009846 + ... + 3275009867.

It is an arithmetic number, because the mean of its divisors is an integer number (19650059142).

Almost surely, 2^72050216843 is an apocalyptic number.

72050216843 is a deficient number, since it is larger than the sum of its proper divisors (6550019725).

72050216843 is a wasteful number, since it uses less digits than its factorization.

72050216843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550019724.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 72050216843 in words is "seventy-two billion, fifty million, two hundred sixteen thousand, eight hundred forty-three".