72303205788 has 36 divisors (see below), whose sum is σ = 199381568568. Its totient is φ = 21910062240.

The previous prime is 72303205771. The next prime is 72303205813. The reversal of 72303205788 is 88750230327.

72303205788 is a `hidden beast` number, since 72 + 3 + 0 + 3 + 2 + 0 + 578 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91291531 + ... + 91292322.

Almost surely, 2^72303205788 is an apocalyptic number.

It is an amenable number.

72303205788 is an abundant number, since it is smaller than the sum of its proper divisors (127078362780).

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

72303205788 is a wasteful number, since it uses less digits than its factorization.

72303205788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182583874 (or 182583869 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 72303205788 in words is "seventy-two billion, three hundred three million, two hundred five thousand, seven hundred eighty-eight".