73564395996 has 216 divisors, whose sum is σ = 219199370544. Its totient is φ = 19133936640.

The previous prime is 73564395991. The next prime is 73564396027. The reversal of 73564395996 is 69959346537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73564395991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7249086 + ... + 7259226.

Almost surely, 2^73564395996 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 73564395996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109599685272).

73564395996 is an abundant number, since it is smaller than the sum of its proper divisors (145634974548).

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

73564395996 is a wasteful number, since it uses less digits than its factorization.

73564395996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261 (or 10239 counting only the distinct ones).

The product of its digits is 165337200, while the sum is 66.

The spelling of 73564395996 in words is "seventy-three billion, five hundred sixty-four million, three hundred ninety-five thousand, nine hundred ninety-six".