72055724410 has 16 divisors (see below), whose sum is σ = 132147480456. Its totient is φ = 28278472768.

The previous prime is 72055724381. The next prime is 72055724423. The reversal of 72055724410 is 1442755027.

It can be written as a sum of positive squares in 4 ways, for example, as 71977914369 + 77810041 = 268287^2 + 8821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72055724410.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67976569 + ... + 67977628.

Almost surely, 2^72055724410 is an apocalyptic number.

72055724410 is a deficient number, since it is larger than the sum of its proper divisors (60091756046).

72055724410 is a wasteful number, since it uses less digits than its factorization.

72055724410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135954257.

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 72055724410 in words is "seventy-two billion, fifty-five million, seven hundred twenty-four thousand, four hundred ten".