72726023773576 has 16 divisors (see below), whose sum is σ = 137767081118940. Its totient is φ = 35988135475200.

The previous prime is 72726023773553. The next prime is 72726023773577. The reversal of 72726023773576 is 67537732062727.

It can be written as a sum of positive squares in 2 ways, for example, as 71903175221476 + 822848552100 = 8479574^2 + 907110^2 .

It is not an unprimeable number, because it can be changed into a prime (72726023773577) 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, 46859550625 + ... + 46859552176.

Almost surely, 2^{72726023773576} is an apocalyptic number.

It is an amenable number.

72726023773576 is a deficient number, since it is larger than the sum of its proper divisors (65041057345364).

72726023773576 is a wasteful number, since it uses less digits than its factorization.

72726023773576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93719102904 (or 93719102900 counting only the distinct ones).

The product of its (nonzero) digits is 217818720, while the sum is 64.

The spelling of 72726023773576 in words is "seventy-two trillion, seven hundred twenty-six billion, twenty-three million, seven hundred seventy-three thousand, five hundred seventy-six".