73271507712 has 144 divisors (see below), whose sum is σ = 210171356640. Its totient is φ = 22527737856.

The previous prime is 73271507623. The next prime is 73271507719. The reversal of 73271507712 is 21770517237.

It is not an unprimeable number, because it can be changed into a prime (73271507719) 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, 20255728 + ... + 20259344.

It is an arithmetic number, because the mean of its divisors is an integer number (1459523310).

Almost surely, 2^73271507712 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 73271507712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105085678320).

73271507712 is an abundant number, since it is smaller than the sum of its proper divisors (136899848928).

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

73271507712 is a wasteful number, since it uses less digits than its factorization.

73271507712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 42.

The spelling of 73271507712 in words is "seventy-three billion, two hundred seventy-one million, five hundred seven thousand, seven hundred twelve".