72773808000 has 256 divisors, whose sum is σ = 243398226240. Its totient is φ = 19233177600.

The previous prime is 72773807993. The next prime is 72773808043. The reversal of 72773808000 is 80837727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5417292 + ... + 5430708.

Almost surely, 2^72773808000 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 72773808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121699113120).

72773808000 is an abundant number, since it is smaller than the sum of its proper divisors (170624418240).

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

72773808000 is a wasteful number, since it uses less digits than its factorization.

72773808000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562 (or 13540 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 72773808000 in words is "seventy-two billion, seven hundred seventy-three million, eight hundred eight thousand".