72197112635 has 8 divisors (see below), whose sum is σ = 86638039440. Its totient is φ = 57756687264.

The previous prime is 72197112601. The next prime is 72197112671. The reversal of 72197112635 is 53621179127.

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 72197112635 - 2⁶ = 72197112571 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367736 + ... + 528794.

It is an arithmetic number, because the mean of its divisors is an integer number (10829754930).

Almost surely, 2^72197112635 is an apocalyptic number.

72197112635 is a deficient number, since it is larger than the sum of its proper divisors (14440926805).

72197112635 is a wasteful number, since it uses less digits than its factorization.

72197112635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250717.

The product of its digits is 158760, while the sum is 44.

The spelling of 72197112635 in words is "seventy-two billion, one hundred ninety-seven million, one hundred twelve thousand, six hundred thirty-five".