73040745000 has 160 divisors (see below), whose sum is σ = 229016066400. Its totient is φ = 19406112000.

The previous prime is 73040744989. The next prime is 73040745017. The reversal of 73040745000 is 54704037.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4146211 + ... + 4163789.

It is an arithmetic number, because the mean of its divisors is an integer number (1431350415).

Almost surely, 2^73040745000 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 73040745000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114508033200).

73040745000 is an abundant number, since it is smaller than the sum of its proper divisors (155975321400).

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

73040745000 is a wasteful number, since it uses less digits than its factorization.

73040745000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17885 (or 17866 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The spelling of 73040745000 in words is "seventy-three billion, forty million, seven hundred forty-five thousand".