72836191145912 has 16 divisors (see below), whose sum is σ = 138606184644360. Its totient is φ = 35874541907424.

The previous prime is 72836191145909. The next prime is 72836191145917. The reversal of 72836191145912 is 21954119163827.

72836191145912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×72836191145912² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72836191145917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67944207623 + ... + 67944208694.

Almost surely, 2^{72836191145912} is an apocalyptic number.

It is an amenable number.

72836191145912 is a deficient number, since it is larger than the sum of its proper divisors (65769993498448).

72836191145912 is a wasteful number, since it uses less digits than its factorization.

72836191145912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135888416390 (or 135888416386 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 59.

The spelling of 72836191145912 in words is "seventy-two trillion, eight hundred thirty-six billion, one hundred ninety-one million, one hundred forty-five thousand, nine hundred twelve".