68337407 has 2 divisors, whose sum is σ = 68337408. Its totient is φ = 68337406.

The previous prime is 68337403. The next prime is 68337413. The reversal of 68337407 is 70473386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68337407 - 2² = 68337403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168703 + 34168704.

It is an arithmetic number, because the mean of its divisors is an integer number (34168704).

Almost surely, 2^68337407 is an apocalyptic number.

68337407 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337407 is an equidigital number, since it uses as much as digits as its factorization.

68337407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 68337407 is about 8266.6442405610. The cubic root of 68337407 is about 408.8394844407.

The spelling of 68337407 in words is "sixty-eight million, three hundred thirty-seven thousand, four hundred seven".