65730169 has 2 divisors, whose sum is σ = 65730170. Its totient is φ = 65730168.

The previous prime is 65730163. The next prime is 65730173. The reversal of 65730169 is 96103756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59907600 + 5822569 = 7740^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 65730169 - 2¹¹ = 65728121 is a prime.

It is a super-2 number, since 2×65730169² = 8640910233537122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65730163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32865084 + 32865085.

It is an arithmetic number, because the mean of its divisors is an integer number (32865085).

Almost surely, 2^65730169 is an apocalyptic number.

It is an amenable number.

65730169 is a deficient number, since it is larger than the sum of its proper divisors (1).

65730169 is an equidigital number, since it uses as much as digits as its factorization.

65730169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 65730169 is about 8107.4144460488. The cubic root of 65730169 is about 403.5725165726.

The spelling of 65730169 in words is "sixty-five million, seven hundred thirty thousand, one hundred sixty-nine".