68417443 has 2 divisors, whose sum is σ = 68417444. Its totient is φ = 68417442.

The previous prime is 68417431. The next prime is 68417491. The reversal of 68417443 is 34471486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68417443 - 2²¹ = 66320291 is a prime.

It is not a weakly prime, because it can be changed into another prime (68417743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34208721 + 34208722.

It is an arithmetic number, because the mean of its divisors is an integer number (34208722).

Almost surely, 2^68417443 is an apocalyptic number.

68417443 is a deficient number, since it is larger than the sum of its proper divisors (1).

68417443 is an equidigital number, since it uses as much as digits as its factorization.

68417443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 68417443 is about 8271.4837242178. The cubic root of 68417443 is about 408.9990315673. Note that the first 3 decimals are identical.

The spelling of 68417443 in words is "sixty-eight million, four hundred seventeen thousand, four hundred forty-three".