72517227285 has 8 divisors (see below), whose sum is σ = 116027563680. Its totient is φ = 38675854544.

The previous prime is 72517227283. The next prime is 72517227313. The reversal of 72517227285 is 58272271527.

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

It is a cyclic number.

It is not a de Polignac number, because 72517227285 - 2¹ = 72517227283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72517227281) 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, 2417240895 + ... + 2417240924.

It is an arithmetic number, because the mean of its divisors is an integer number (14503445460).

Almost surely, 2^72517227285 is an apocalyptic number.

It is an amenable number.

72517227285 is a deficient number, since it is larger than the sum of its proper divisors (43510336395).

72517227285 is a wasteful number, since it uses less digits than its factorization.

72517227285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834481827.

The product of its digits is 1097600, while the sum is 48.

The spelling of 72517227285 in words is "seventy-two billion, five hundred seventeen million, two hundred twenty-seven thousand, two hundred eighty-five".