73080068864 has 144 divisors (see below), whose sum is σ = 163448754336. Its totient is φ = 32322355200.

The previous prime is 73080068827. The next prime is 73080068881. The reversal of 73080068864 is 46886008037.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66617564 + ... + 66618660.

It is an arithmetic number, because the mean of its divisors is an integer number (1135060794).

Almost surely, 2^73080068864 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 73080068864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81724377168).

73080068864 is an abundant number, since it is smaller than the sum of its proper divisors (90368685472).

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

73080068864 is a wasteful number, since it uses less digits than its factorization.

73080068864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 73080068864 in words is "seventy-three billion, eighty million, sixty-eight thousand, eight hundred sixty-four".