68927393 has 2 divisors, whose sum is σ = 68927394. Its totient is φ = 68927392.

The previous prime is 68927387. The next prime is 68927407. The reversal of 68927393 is 39372986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66716224 + 2211169 = 8168^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 68927393 - 2⁶ = 68927329 is a prime.

It is not a weakly prime, because it can be changed into another prime (68927363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34463696 + 34463697.

It is an arithmetic number, because the mean of its divisors is an integer number (34463697).

Almost surely, 2^68927393 is an apocalyptic number.

It is an amenable number.

68927393 is a deficient number, since it is larger than the sum of its proper divisors (1).

68927393 is an equidigital number, since it uses as much as digits as its factorization.

68927393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 68927393 is about 8302.2522847719. The cubic root of 68927393 is about 410.0126765860.

It can be divided in two parts, 689 and 27393, that added together give a palindrome (28082).

The spelling of 68927393 in words is "sixty-eight million, nine hundred twenty-seven thousand, three hundred ninety-three".