64740211 has 2 divisors, whose sum is σ = 64740212. Its totient is φ = 64740210.

The previous prime is 64740191. The next prime is 64740217. The reversal of 64740211 is 11204746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64740211 - 2⁹ = 64739699 is a prime.

It is not a weakly prime, because it can be changed into another prime (64740217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32370105 + 32370106.

It is an arithmetic number, because the mean of its divisors is an integer number (32370106).

Almost surely, 2^64740211 is an apocalyptic number.

64740211 is a deficient number, since it is larger than the sum of its proper divisors (1).

64740211 is an equidigital number, since it uses as much as digits as its factorization.

64740211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 64740211 is about 8046.1301878605. The cubic root of 64740211 is about 401.5361989294.

Adding to 64740211 its reverse (11204746), we get a palindrome (75944957).

The spelling of 64740211 in words is "sixty-four million, seven hundred forty thousand, two hundred eleven".