68454817 has 2 divisors, whose sum is σ = 68454818. Its totient is φ = 68454816.

The previous prime is 68454797. The next prime is 68454829. The reversal of 68454817 is 71845486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50680161 + 17774656 = 7119^2 + 4216^2 .

It is a cyclic number.

It is not a de Polignac number, because 68454817 - 2⁷ = 68454689 is a prime.

It is not a weakly prime, because it can be changed into another prime (68454887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34227408 + 34227409.

It is an arithmetic number, because the mean of its divisors is an integer number (34227409).

Almost surely, 2^68454817 is an apocalyptic number.

It is an amenable number.

68454817 is a deficient number, since it is larger than the sum of its proper divisors (1).

68454817 is an equidigital number, since it uses as much as digits as its factorization.

68454817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 43.

The square root of 68454817 is about 8273.7426235048. The cubic root of 68454817 is about 409.0734918540.

The spelling of 68454817 in words is "sixty-eight million, four hundred fifty-four thousand, eight hundred seventeen".