72799735719 has 8 divisors (see below), whose sum is σ = 97238725632. Its totient is φ = 48446951480.

The previous prime is 72799735717. The next prime is 72799735747. The reversal of 72799735719 is 91753799727.

It is a happy number.

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 72799735719 - 2¹ = 72799735717 is a prime.

It is a super-2 number, since 2×72799735719² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72799735719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72799735711) 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, 21549447 + ... + 21552824.

It is an arithmetic number, because the mean of its divisors is an integer number (12154840704).

Almost surely, 2^72799735719 is an apocalyptic number.

72799735719 is a deficient number, since it is larger than the sum of its proper divisors (24438989913).

72799735719 is a wasteful number, since it uses less digits than its factorization.

72799735719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43102837.

The product of its digits is 52509870, while the sum is 66.

The spelling of 72799735719 in words is "seventy-two billion, seven hundred ninety-nine million, seven hundred thirty-five thousand, seven hundred nineteen".