755720711 has 2 divisors, whose sum is σ = 755720712. Its totient is φ = 755720710.

The previous prime is 755720689. The next prime is 755720767. The reversal of 755720711 is 117027557.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755720711 is a prime.

It is a super-3 number, since 3×755720711³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755720311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377860355 + 377860356.

It is an arithmetic number, because the mean of its divisors is an integer number (377860356).

Almost surely, 2^755720711 is an apocalyptic number.

755720711 is a deficient number, since it is larger than the sum of its proper divisors (1).

755720711 is an equidigital number, since it uses as much as digits as its factorization.

755720711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 755720711 is about 27490.3748792191. The cubic root of 755720711 is about 910.8644970713.

The spelling of 755720711 in words is "seven hundred fifty-five million, seven hundred twenty thousand, seven hundred eleven".