72766711 has 2 divisors, whose sum is σ = 72766712. Its totient is φ = 72766710.

The previous prime is 72766699. The next prime is 72766747. The reversal of 72766711 is 11766727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72766711 - 2⁷ = 72766583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72716711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36383355 + 36383356.

It is an arithmetic number, because the mean of its divisors is an integer number (36383356).

Almost surely, 2^72766711 is an apocalyptic number.

72766711 is a deficient number, since it is larger than the sum of its proper divisors (1).

72766711 is an equidigital number, since it uses as much as digits as its factorization.

72766711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 72766711 is about 8530.3406145359. The cubic root of 72766711 is about 417.4882418671.

The spelling of 72766711 in words is "seventy-two million, seven hundred sixty-six thousand, seven hundred eleven".