72281016204 has 24 divisors (see below), whose sum is σ = 174096211968. Its totient is φ = 23316456720.

The previous prime is 72281016187. The next prime is 72281016251. The reversal of 72281016204 is 40261018227.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97151532 + ... + 97152275.

It is an arithmetic number, because the mean of its divisors is an integer number (7254008832).

Almost surely, 2^72281016204 is an apocalyptic number.

It is an amenable number.

72281016204 is an abundant number, since it is smaller than the sum of its proper divisors (101815195764).

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

72281016204 is a wasteful number, since it uses less digits than its factorization.

72281016204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194303845 (or 194303843 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 72281016204 in words is "seventy-two billion, two hundred eighty-one million, sixteen thousand, two hundred four".