72273112001 has 16 divisors (see below), whose sum is σ = 73876957440. Its totient is φ = 70689265920.

The previous prime is 72273111973. The next prime is 72273112117. The reversal of 72273112001 is 10021137227.

It is a cyclic number.

It is not a de Polignac number, because 72273112001 - 2²² = 72268917697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72273102001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4171166 + ... + 4188456.

It is an arithmetic number, because the mean of its divisors is an integer number (4617309840).

Almost surely, 2^72273112001 is an apocalyptic number.

It is an amenable number.

72273112001 is a deficient number, since it is larger than the sum of its proper divisors (1603845439).

72273112001 is a wasteful number, since it uses less digits than its factorization.

72273112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17864.

The product of its (nonzero) digits is 1176, while the sum is 26.

Adding to 72273112001 its reverse (10021137227), we get a palindrome (82294249228).

The spelling of 72273112001 in words is "seventy-two billion, two hundred seventy-three million, one hundred twelve thousand, one".