68742601 has 2 divisors, whose sum is σ = 68742602. Its totient is φ = 68742600.

The previous prime is 68742587. The next prime is 68742613. The reversal of 68742601 is 10624786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50424201 + 18318400 = 7101^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 68742601 - 2⁷ = 68742473 is a prime.

It is not a weakly prime, because it can be changed into another prime (68742631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34371300 + 34371301.

It is an arithmetic number, because the mean of its divisors is an integer number (34371301).

Almost surely, 2^68742601 is an apocalyptic number.

It is an amenable number.

68742601 is a deficient number, since it is larger than the sum of its proper divisors (1).

68742601 is an equidigital number, since it uses as much as digits as its factorization.

68742601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 68742601 is about 8291.1157873956. The cubic root of 68742601 is about 409.6459386323.

The spelling of 68742601 in words is "sixty-eight million, seven hundred forty-two thousand, six hundred one".