72512267233 has 16 divisors (see below), whose sum is σ = 86663566080. Its totient is φ = 59320901376.

The previous prime is 72512267227. The next prime is 72512267251. The reversal of 72512267233 is 33276221527.

It is a cyclic number.

It is not a de Polignac number, because 72512267233 - 2²⁹ = 71975396321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72512267533) 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, 419188 + ... + 566341.

It is an arithmetic number, because the mean of its divisors is an integer number (5416472880).

Almost surely, 2^72512267233 is an apocalyptic number.

It is an amenable number.

72512267233 is a deficient number, since it is larger than the sum of its proper divisors (14151298847).

72512267233 is a wasteful number, since it uses less digits than its factorization.

72512267233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986016.

The product of its digits is 211680, while the sum is 40.

The spelling of 72512267233 in words is "seventy-two billion, five hundred twelve million, two hundred sixty-seven thousand, two hundred thirty-three".