73327316520 has 256 divisors, whose sum is σ = 239426150400. Its totient is φ = 17896919040.

The previous prime is 73327316501. The next prime is 73327316521. The reversal of 73327316520 is 2561372337.

It is not an unprimeable number, because it can be changed into a prime (73327316521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10794325 + ... + 10801115.

It is an arithmetic number, because the mean of its divisors is an integer number (935258400).

Almost surely, 2^73327316520 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 73327316520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119713075200).

73327316520 is an abundant number, since it is smaller than the sum of its proper divisors (166098833880).

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

73327316520 is a wasteful number, since it uses less digits than its factorization.

73327316520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968 (or 6964 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 39.

Adding to 73327316520 its reverse (2561372337), we get a palindrome (75888688857).

The spelling of 73327316520 in words is "seventy-three billion, three hundred twenty-seven million, three hundred sixteen thousand, five hundred twenty".