68337937 has 2 divisors, whose sum is σ = 68337938. Its totient is φ = 68337936.

The previous prime is 68337917. The next prime is 68337961. The reversal of 68337937 is 73973386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67092481 + 1245456 = 8191^2 + 1116^2 .

It is a cyclic number.

It is not a de Polignac number, because 68337937 - 2⁷ = 68337809 is a prime.

It is not a weakly prime, because it can be changed into another prime (68337917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168968 + 34168969.

It is an arithmetic number, because the mean of its divisors is an integer number (34168969).

Almost surely, 2^68337937 is an apocalyptic number.

It is an amenable number.

68337937 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337937 is an equidigital number, since it uses as much as digits as its factorization.

68337937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 68337937 is about 8266.6762970374. The cubic root of 68337937 is about 408.8405413746.

The spelling of 68337937 in words is "sixty-eight million, three hundred thirty-seven thousand, nine hundred thirty-seven".