72205087219 has 4 divisors (see below), whose sum is σ = 72246137920. Its totient is φ = 72164036520.

The previous prime is 72205087217. The next prime is 72205087289. The reversal of 72205087219 is 91278050227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72205087219 - 2¹ = 72205087217 is a prime.

It is a super-2 number, since 2×72205087219² (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 (72205087217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20522712 + ... + 20526229.

It is an arithmetic number, because the mean of its divisors is an integer number (18061534480).

Almost surely, 2^72205087219 is an apocalyptic number.

72205087219 is a deficient number, since it is larger than the sum of its proper divisors (41050701).

72205087219 is a wasteful number, since it uses less digits than its factorization.

72205087219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41050700.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 72205087219 in words is "seventy-two billion, two hundred five million, eighty-seven thousand, two hundred nineteen".