68742959 has 2 divisors, whose sum is σ = 68742960. Its totient is φ = 68742958.

The previous prime is 68742943. The next prime is 68742979. The reversal of 68742959 is 95924786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68742959 - 2⁴ = 68742943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68742979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34371479 + 34371480.

It is an arithmetic number, because the mean of its divisors is an integer number (34371480).

Almost surely, 2^68742959 is an apocalyptic number.

68742959 is a deficient number, since it is larger than the sum of its proper divisors (1).

68742959 is an equidigital number, since it uses as much as digits as its factorization.

68742959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 68742959 is about 8291.1373767415. The cubic root of 68742959 is about 409.6466497536.

The spelling of 68742959 in words is "sixty-eight million, seven hundred forty-two thousand, nine hundred fifty-nine".