72266323 has 2 divisors, whose sum is σ = 72266324. Its totient is φ = 72266322.

The previous prime is 72266321. The next prime is 72266333. The reversal of 72266323 is 32366227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72266323 - 2¹ = 72266321 is a prime.

Together with 72266321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72266321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36133161 + 36133162.

It is an arithmetic number, because the mean of its divisors is an integer number (36133162).

Almost surely, 2^72266323 is an apocalyptic number.

72266323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72266323 is an equidigital number, since it uses as much as digits as its factorization.

72266323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 72266323 is about 8500.9601222450. The cubic root of 72266323 is about 416.5290725056.

The spelling of 72266323 in words is "seventy-two million, two hundred sixty-six thousand, three hundred twenty-three".