73081550718 has 144 divisors (see below), whose sum is σ = 180060107136. Its totient is φ = 21384000000.

The previous prime is 73081550693. The next prime is 73081550719. The reversal of 73081550718 is 81705518037.

73081550718 is a `hidden beast` number, since 7 + 3 + 0 + 81 + 550 + 7 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73081550719) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40577418 + ... + 40579218.

Almost surely, 2^73081550718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73081550718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90030053568).

73081550718 is an abundant number, since it is smaller than the sum of its proper divisors (106978556418).

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

73081550718 is a wasteful number, since it uses less digits than its factorization.

73081550718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2449 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 73081550718 in words is "seventy-three billion, eighty-one million, five hundred fifty thousand, seven hundred eighteen".