72276020000 has 90 divisors (see below), whose sum is σ = 177903434709. Its totient is φ = 28895200000.

The previous prime is 72276019993. The next prime is 72276020009. The reversal of 72276020000 is 2067227.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 35474969104 + 36801050896 = 188348^2 + 191836^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=190100.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72276020009) 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 14 ways as a sum of consecutive naturals, for example, 38019050 + ... + 38020950.

Almost surely, 2^72276020000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72276020000

72276020000 is an abundant number, since it is smaller than the sum of its proper divisors (105627414709).

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

72276020000 is an frugal number, since it uses more digits than its factorization.

72276020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

Adding to 72276020000 its reverse (2067227), we get a palindrome (72278087227).

The spelling of 72276020000 in words is "seventy-two billion, two hundred seventy-six million, twenty thousand".