72317056100 has 36 divisors (see below), whose sum is σ = 157804743600. Its totient is φ = 28765212960.

The previous prime is 72317056061. The next prime is 72317056103. The reversal of 72317056100 is 165071327.

It is not an unprimeable number, because it can be changed into a prime (72317056103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2002130 + ... + 2037929.

It is an arithmetic number, because the mean of its divisors is an integer number (4383465100).

Almost surely, 2^72317056100 is an apocalyptic number.

It is an amenable number.

72317056100 is an abundant number, since it is smaller than the sum of its proper divisors (85487687500).

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

72317056100 is a wasteful number, since it uses less digits than its factorization.

72317056100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040252 (or 4040245 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 72317056100 in words is "seventy-two billion, three hundred seventeen million, fifty-six thousand, one hundred".