72373210560 has 896 divisors, whose sum is σ = 316332656640. Its totient is φ = 15197995008.

The previous prime is 72373210519. The next prime is 72373210561. The reversal of 72373210560 is 6501237327.

72373210560 is a `hidden beast` number, since 7 + 2 + 3 + 73 + 21 + 0 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72373210561) 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 127 ways as a sum of consecutive naturals, for example, 44210062 + ... + 44211698.

It is an arithmetic number, because the mean of its divisors is an integer number (353049840).

Almost surely, 2^72373210560 is an apocalyptic number.

72373210560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72373210560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158166328320).

72373210560 is an abundant number, since it is smaller than the sum of its proper divisors (243959446080).

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

72373210560 is a wasteful number, since it uses less digits than its factorization.

72373210560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

Adding to 72373210560 its reverse (6501237327), we get a palindrome (78874447887).

The spelling of 72373210560 in words is "seventy-two billion, three hundred seventy-three million, two hundred ten thousand, five hundred sixty".