72106060606201 has 32 divisors (see below), whose sum is σ = 76954673577600. Its totient is φ = 67365897315840.

The previous prime is 72106060606183. The next prime is 72106060606207. The reversal of 72106060606201 is 10260606060127.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72106060606201 is a prime.

It is a super-2 number, since 2×72106060606201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72106060606207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1990927045 + ... + 1990963261.

It is an arithmetic number, because the mean of its divisors is an integer number (2404833549300).

Almost surely, 2^{72106060606201} is an apocalyptic number.

It is an amenable number.

72106060606201 is a deficient number, since it is larger than the sum of its proper divisors (4848612971399).

72106060606201 is a wasteful number, since it uses less digits than its factorization.

72106060606201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38569.

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 72106060606201 its reverse (10260606060127), we get a palindrome (82366666666328).

The spelling of 72106060606201 in words is "seventy-two trillion, one hundred six billion, sixty million, six hundred six thousand, two hundred one".