68786429 has 2 divisors, whose sum is σ = 68786430. Its totient is φ = 68786428.

The previous prime is 68786423. The next prime is 68786449. The reversal of 68786429 is 92468786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 806404 = 8245^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 68786429 - 2⁴ = 68786413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68786423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34393214 + 34393215.

It is an arithmetic number, because the mean of its divisors is an integer number (34393215).

Almost surely, 2^68786429 is an apocalyptic number.

It is an amenable number.

68786429 is a deficient number, since it is larger than the sum of its proper divisors (1).

68786429 is an equidigital number, since it uses as much as digits as its factorization.

68786429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 68786429 is about 8293.7584363182. The cubic root of 68786429 is about 409.7329790200.

The spelling of 68786429 in words is "sixty-eight million, seven hundred eighty-six thousand, four hundred twenty-nine".