68463673 has 2 divisors, whose sum is σ = 68463674. Its totient is φ = 68463672.

The previous prime is 68463671. The next prime is 68463713. The reversal of 68463673 is 37636486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57881664 + 10582009 = 7608^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 68463673 - 2¹ = 68463671 is a prime.

Together with 68463671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68463671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34231836 + 34231837.

It is an arithmetic number, because the mean of its divisors is an integer number (34231837).

Almost surely, 2^68463673 is an apocalyptic number.

It is an amenable number.

68463673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68463673 is an equidigital number, since it uses as much as digits as its factorization.

68463673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 68463673 is about 8274.2777932579. The cubic root of 68463673 is about 409.0911317066.

The spelling of 68463673 in words is "sixty-eight million, four hundred sixty-three thousand, six hundred seventy-three".