65705707 has 2 divisors, whose sum is σ = 65705708. Its totient is φ = 65705706.

The previous prime is 65705699. The next prime is 65705713. The reversal of 65705707 is 70750756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65705707 - 2³ = 65705699 is a prime.

It is not a weakly prime, because it can be changed into another prime (65705797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32852853 + 32852854.

It is an arithmetic number, because the mean of its divisors is an integer number (32852854).

Almost surely, 2^65705707 is an apocalyptic number.

65705707 is a deficient number, since it is larger than the sum of its proper divisors (1).

65705707 is an equidigital number, since it uses as much as digits as its factorization.

65705707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 65705707 is about 8105.9056865967. The cubic root of 65705707 is about 403.5224461306.

The spelling of 65705707 in words is "sixty-five million, seven hundred five thousand, seven hundred seven".