68967137 has 2 divisors, whose sum is σ = 68967138. Its totient is φ = 68967136.

The previous prime is 68967127. The next prime is 68967161. The reversal of 68967137 is 73176986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67305616 + 1661521 = 8204^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 68967137 - 2⁴ = 68967121 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68967091 and 68967100.

It is not a weakly prime, because it can be changed into another prime (68967127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34483568 + 34483569.

It is an arithmetic number, because the mean of its divisors is an integer number (34483569).

Almost surely, 2^68967137 is an apocalyptic number.

It is an amenable number.

68967137 is a deficient number, since it is larger than the sum of its proper divisors (1).

68967137 is an equidigital number, since it uses as much as digits as its factorization.

68967137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 68967137 is about 8304.6455071845. The cubic root of 68967137 is about 410.0914668032.

The spelling of 68967137 in words is "sixty-eight million, nine hundred sixty-seven thousand, one hundred thirty-seven".