72319711 has 2 divisors, whose sum is σ = 72319712. Its totient is φ = 72319710.

The previous prime is 72319693. The next prime is 72319721. The reversal of 72319711 is 11791327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72319711 - 2¹⁵ = 72286943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72319721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36159855 + 36159856.

It is an arithmetic number, because the mean of its divisors is an integer number (36159856).

Almost surely, 2^72319711 is an apocalyptic number.

72319711 is a deficient number, since it is larger than the sum of its proper divisors (1).

72319711 is an equidigital number, since it uses as much as digits as its factorization.

72319711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 31.

The square root of 72319711 is about 8504.0996584001. The cubic root of 72319711 is about 416.6316199500.

The spelling of 72319711 in words is "seventy-two million, three hundred nineteen thousand, seven hundred eleven".