68449067 has 2 divisors, whose sum is σ = 68449068. Its totient is φ = 68449066.

The previous prime is 68448983. The next prime is 68449093. The reversal of 68449067 is 76094486.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68449067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68449867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34224533 + 34224534.

It is an arithmetic number, because the mean of its divisors is an integer number (34224534).

Almost surely, 2^68449067 is an apocalyptic number.

68449067 is a deficient number, since it is larger than the sum of its proper divisors (1).

68449067 is an equidigital number, since it uses as much as digits as its factorization.

68449067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 68449067 is about 8273.3951313835. The cubic root of 68449067 is about 409.0620378832.

The spelling of 68449067 in words is "sixty-eight million, four hundred forty-nine thousand, sixty-seven".