72144276630 has 32 divisors (see below), whose sum is σ = 178731629568. Its totient is φ = 18617877600.

The previous prime is 72144276619. The next prime is 72144276637. The reversal of 72144276630 is 3667244127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72144276637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38786316 + ... + 38788175.

It is an arithmetic number, because the mean of its divisors is an integer number (5585363424).

Almost surely, 2^72144276630 is an apocalyptic number.

72144276630 is an abundant number, since it is smaller than the sum of its proper divisors (106587352938).

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

72144276630 is a wasteful number, since it uses less digits than its factorization.

72144276630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77574532.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 72144276630 in words is "seventy-two billion, one hundred forty-four million, two hundred seventy-six thousand, six hundred thirty".