72517311201 has 8 divisors (see below), whose sum is σ = 97175627200. Its totient is φ = 48101934672.

The previous prime is 72517311169. The next prime is 72517311203. The reversal of 72517311201 is 10211371527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72517311201 - 2⁵ = 72517311169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72517311203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60734170 + ... + 60735363.

It is an arithmetic number, because the mean of its divisors is an integer number (12146953400).

Almost surely, 2^72517311201 is an apocalyptic number.

It is an amenable number.

72517311201 is a deficient number, since it is larger than the sum of its proper divisors (24658315999).

72517311201 is a wasteful number, since it uses less digits than its factorization.

72517311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121469735.

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 72517311201 its reverse (10211371527), we get a palindrome (82728682728).

The spelling of 72517311201 in words is "seventy-two billion, five hundred seventeen million, three hundred eleven thousand, two hundred one".