72266263 has 2 divisors, whose sum is σ = 72266264. Its totient is φ = 72266262.

The previous prime is 72266221. The next prime is 72266279. The reversal of 72266263 is 36266227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72266263 - 2⁹ = 72265751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72267263) 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, 36133131 + 36133132.

It is an arithmetic number, because the mean of its divisors is an integer number (36133132).

Almost surely, 2^72266263 is an apocalyptic number.

72266263 is a deficient number, since it is larger than the sum of its proper divisors (1).

72266263 is an equidigital number, since it uses as much as digits as its factorization.

72266263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 72266263 is about 8500.9565932311. The cubic root of 72266263 is about 416.5289572295.

The spelling of 72266263 in words is "seventy-two million, two hundred sixty-six thousand, two hundred sixty-three".