72266959 has 2 divisors, whose sum is σ = 72266960. Its totient is φ = 72266958.

The previous prime is 72266947. The next prime is 72266977. The reversal of 72266959 is 95966227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72266959 - 2¹⁷ = 72135887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72236959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36133479 + 36133480.

It is an arithmetic number, because the mean of its divisors is an integer number (36133480).

Almost surely, 2^72266959 is an apocalyptic number.

72266959 is a deficient number, since it is larger than the sum of its proper divisors (1).

72266959 is an equidigital number, since it uses as much as digits as its factorization.

72266959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 72266959 is about 8500.9975297020. The cubic root of 72266959 is about 416.5302944289.

The spelling of 72266959 in words is "seventy-two million, two hundred sixty-six thousand, nine hundred fifty-nine".