72173872300 has 36 divisors (see below), whose sum is σ = 165830089320. Its totient is φ = 27171339520.

The previous prime is 72173872273. The next prime is 72173872313. The reversal of 72173872300 is 327837127.

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 11 ways as a sum of consecutive naturals, for example, 21225910 + ... + 21229309.

It is an arithmetic number, because the mean of its divisors is an integer number (4606391370).

Almost surely, 2^72173872300 is an apocalyptic number.

It is an amenable number.

72173872300 is an abundant number, since it is smaller than the sum of its proper divisors (93656217020).

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

72173872300 is a wasteful number, since it uses less digits than its factorization.

72173872300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42455250 (or 42455243 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 72173872300 in words is "seventy-two billion, one hundred seventy-three million, eight hundred seventy-two thousand, three hundred".