73565736000 has 224 divisors, whose sum is σ = 243879697152. Its totient is φ = 19539558400.

The previous prime is 73565735989. The next prime is 73565736007. The reversal of 73565736000 is 63756537.

It is not an unprimeable number, because it can be changed into a prime (73565736007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6162037 + ... + 6173963.

It is an arithmetic number, because the mean of its divisors is an integer number (1088748648).

Almost surely, 2^73565736000 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 73565736000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121939848576).

73565736000 is an abundant number, since it is smaller than the sum of its proper divisors (170313961152).

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

73565736000 is a wasteful number, since it uses less digits than its factorization.

73565736000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214 (or 12194 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 42.

The spelling of 73565736000 in words is "seventy-three billion, five hundred sixty-five million, seven hundred thirty-six thousand".