68337239 has 2 divisors, whose sum is σ = 68337240. Its totient is φ = 68337238.

The previous prime is 68337221. The next prime is 68337259. The reversal of 68337239 is 93273386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68337239 - 2¹² = 68333143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68337196 and 68337205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168619 + 34168620.

It is an arithmetic number, because the mean of its divisors is an integer number (34168620).

Almost surely, 2^68337239 is an apocalyptic number.

68337239 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337239 is an equidigital number, since it uses as much as digits as its factorization.

68337239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 68337239 is about 8266.6340792368. The cubic root of 68337239 is about 408.8391494115.

The spelling of 68337239 in words is "sixty-eight million, three hundred thirty-seven thousand, two hundred thirty-nine".