72259793868 has 12 divisors (see below), whose sum is σ = 168606185720. Its totient is φ = 24086597952.

The previous prime is 72259793867. The next prime is 72259793869. The reversal of 72259793868 is 86839795227.

It is an interprime number because it is at equal distance from previous prime (72259793867) and next prime (72259793869).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 72259793799 and 72259793808.

It is not an unprimeable number, because it can be changed into a prime (72259793867) 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, 3010824733 + ... + 3010824756.

Almost surely, 2^72259793868 is an apocalyptic number.

It is an amenable number.

72259793868 is an abundant number, since it is smaller than the sum of its proper divisors (96346391852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72259793868 is a wasteful number, since it uses less digits than its factorization.

72259793868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021649496 (or 6021649494 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 66.

The spelling of 72259793868 in words is "seventy-two billion, two hundred fifty-nine million, seven hundred ninety-three thousand, eight hundred sixty-eight".