73531986112 has 224 divisors, whose sum is σ = 172401707520. Its totient is φ = 30841896960.

The previous prime is 73531986109. The next prime is 73531986139. The reversal of 73531986112 is 21168913537.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27673488 + ... + 27676144.

It is an arithmetic number, because the mean of its divisors is an integer number (769650480).

Almost surely, 2^73531986112 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 73531986112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86200853760).

73531986112 is an abundant number, since it is smaller than the sum of its proper divisors (98869721408).

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

73531986112 is a wasteful number, since it uses less digits than its factorization.

73531986112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2769 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The spelling of 73531986112 in words is "seventy-three billion, five hundred thirty-one million, nine hundred eighty-six thousand, one hundred twelve".