73296265536 has 168 divisors, whose sum is σ = 229352363240. Its totient is φ = 22243590144.

The previous prime is 73296265507. The next prime is 73296265541. The reversal of 73296265536 is 63556269237.

73296265536 is a `hidden beast` number, since 7 + 3 + 2 + 9 + 626 + 5 + 5 + 3 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13298702400 + 59997563136 = 115320^2 + 244944^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479580 + ... + 613668.

Almost surely, 2^73296265536 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 73296265536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114676181620).

73296265536 is an abundant number, since it is smaller than the sum of its proper divisors (156056097704).

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

73296265536 is a wasteful number, since it uses less digits than its factorization.

73296265536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134193 (or 134180 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 54.

The spelling of 73296265536 in words is "seventy-three billion, two hundred ninety-six million, two hundred sixty-five thousand, five hundred thirty-six".