73364450064 has 80 divisors (see below), whose sum is σ = 192618719232. Its totient is φ = 24056613504.

The previous prime is 73364450063. The next prime is 73364450069. The reversal of 73364450064 is 46005446337.

It is a junction number, because it is equal to n+sod(n) for n = 73364449998 and 73364450025.

It is not an unprimeable number, because it can be changed into a prime (73364450063) 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, 2374137 + ... + 2404839.

Almost surely, 2^73364450064 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 73364450064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96309359616).

73364450064 is an abundant number, since it is smaller than the sum of its proper divisors (119254269168).

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

73364450064 is a wasteful number, since it uses less digits than its factorization.

73364450064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31524 (or 31518 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 73364450064 in words is "seventy-three billion, three hundred sixty-four million, four hundred fifty thousand, sixty-four".