68337593 has 2 divisors, whose sum is σ = 68337594. Its totient is φ = 68337592.

The previous prime is 68337589. The next prime is 68337649. The reversal of 68337593 is 39573386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63792169 + 4545424 = 7987^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 68337593 - 2² = 68337589 is a prime.

It is a zygodrome in base 5.

It is not a weakly prime, because it can be changed into another prime (68337523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168796 + 34168797.

It is an arithmetic number, because the mean of its divisors is an integer number (34168797).

Almost surely, 2^68337593 is an apocalyptic number.

It is an amenable number.

68337593 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337593 is an equidigital number, since it uses as much as digits as its factorization.

68337593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 68337593 is about 8266.6554905838. The cubic root of 68337593 is about 408.8398553653.

The spelling of 68337593 in words is "sixty-eight million, three hundred thirty-seven thousand, five hundred ninety-three".