72705076711 has 2 divisors, whose sum is σ = 72705076712. Its totient is φ = 72705076710.

The previous prime is 72705076699. The next prime is 72705076841. The reversal of 72705076711 is 11767050727.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72705076711 - 2⁵ = 72705076679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72705016711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36352538355 + 36352538356.

It is an arithmetic number, because the mean of its divisors is an integer number (36352538356).

Almost surely, 2^72705076711 is an apocalyptic number.

72705076711 is a deficient number, since it is larger than the sum of its proper divisors (1).

72705076711 is an equidigital number, since it uses as much as digits as its factorization.

72705076711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144060, while the sum is 43.

The spelling of 72705076711 in words is "seventy-two billion, seven hundred five million, seventy-six thousand, seven hundred eleven".