72313063 has 2 divisors, whose sum is σ = 72313064. Its totient is φ = 72313062.

The previous prime is 72313013. The next prime is 72313067. The reversal of 72313063 is 36031327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72313063 - 2⁹ = 72312551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72313067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36156531 + 36156532.

It is an arithmetic number, because the mean of its divisors is an integer number (36156532).

Almost surely, 2^72313063 is an apocalyptic number.

72313063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72313063 is an equidigital number, since it uses as much as digits as its factorization.

72313063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 72313063 is about 8503.7087791151. The cubic root of 72313063 is about 416.6188532513.

The spelling of 72313063 in words is "seventy-two million, three hundred thirteen thousand, sixty-three".