68293829 has 2 divisors, whose sum is σ = 68293830. Its totient is φ = 68293828.

The previous prime is 68293801. The next prime is 68293871. The reversal of 68293829 is 92839286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67650625 + 643204 = 8225^2 + 802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68293829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68293129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34146914 + 34146915.

It is an arithmetic number, because the mean of its divisors is an integer number (34146915).

Almost surely, 2^68293829 is an apocalyptic number.

It is an amenable number.

68293829 is a deficient number, since it is larger than the sum of its proper divisors (1).

68293829 is an equidigital number, since it uses as much as digits as its factorization.

68293829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 68293829 is about 8264.0080469467. The cubic root of 68293829 is about 408.7525618396.

The spelling of 68293829 in words is "sixty-eight million, two hundred ninety-three thousand, eight hundred twenty-nine".