72308908908 has 72 divisors (see below), whose sum is σ = 192651404400. Its totient is φ = 22832724096.

The previous prime is 72308908873. The next prime is 72308908913. The reversal of 72308908908 is 80980980327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 598078 + ... + 708741.

It is an arithmetic number, because the mean of its divisors is an integer number (2675713950).

Almost surely, 2^72308908908 is an apocalyptic number.

It is an amenable number.

72308908908 is an abundant number, since it is smaller than the sum of its proper divisors (120342495492).

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

72308908908 is a wasteful number, since it uses less digits than its factorization.

72308908908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306911 (or 1306906 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 72308908908 in words is "seventy-two billion, three hundred eight million, nine hundred eight thousand, nine hundred eight".