68343577 has 2 divisors, whose sum is σ = 68343578. Its totient is φ = 68343576.

The previous prime is 68343563. The next prime is 68343601. The reversal of 68343577 is 77534386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68211081 + 132496 = 8259^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 68343577 - 2⁷ = 68343449 is a prime.

It is not a weakly prime, because it can be changed into another prime (68353577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34171788 + 34171789.

It is an arithmetic number, because the mean of its divisors is an integer number (34171789).

Almost surely, 2^68343577 is an apocalyptic number.

It is an amenable number.

68343577 is a deficient number, since it is larger than the sum of its proper divisors (1).

68343577 is an equidigital number, since it uses as much as digits as its factorization.

68343577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 68343577 is about 8267.0174186341. The cubic root of 68343577 is about 408.8517884082.

The spelling of 68343577 in words is "sixty-eight million, three hundred forty-three thousand, five hundred seventy-seven".