68432417 has 2 divisors, whose sum is σ = 68432418. Its totient is φ = 68432416.

The previous prime is 68432411. The next prime is 68432437. The reversal of 68432417 is 71423486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35988001 + 32444416 = 5999^2 + 5696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68432417 is a prime.

It is not a weakly prime, because it can be changed into another prime (68432411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34216208 + 34216209.

It is an arithmetic number, because the mean of its divisors is an integer number (34216209).

Almost surely, 2^68432417 is an apocalyptic number.

It is an amenable number.

68432417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68432417 is an equidigital number, since it uses as much as digits as its factorization.

68432417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 68432417 is about 8272.3888327375. The cubic root of 68432417 is about 409.0288675492.

The spelling of 68432417 in words is "sixty-eight million, four hundred thirty-two thousand, four hundred seventeen".