68342369 has 2 divisors, whose sum is σ = 68342370. Its totient is φ = 68342368.

The previous prime is 68342353. The next prime is 68342401. The reversal of 68342369 is 96324386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66210769 + 2131600 = 8137^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 68342369 - 2⁴ = 68342353 is a prime.

It is a super-2 number, since 2×68342369² = 9341358801064322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68342969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34171184 + 34171185.

It is an arithmetic number, because the mean of its divisors is an integer number (34171185).

Almost surely, 2^68342369 is an apocalyptic number.

It is an amenable number.

68342369 is a deficient number, since it is larger than the sum of its proper divisors (1).

68342369 is an equidigital number, since it uses as much as digits as its factorization.

68342369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 68342369 is about 8266.9443568951. The cubic root of 68342369 is about 408.8493795212.

The spelling of 68342369 in words is "sixty-eight million, three hundred forty-two thousand, three hundred sixty-nine".