68012029 has 2 divisors, whose sum is σ = 68012030. Its totient is φ = 68012028.

The previous prime is 68012027. The next prime is 68012041. The reversal of 68012029 is 92021086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64032004 + 3980025 = 8002^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 68012029 - 2¹ = 68012027 is a prime.

Together with 68012027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 68011988 and 68012006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68012027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34006014 + 34006015.

It is an arithmetic number, because the mean of its divisors is an integer number (34006015).

Almost surely, 2^68012029 is an apocalyptic number.

It is an amenable number.

68012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

68012029 is an equidigital number, since it uses as much as digits as its factorization.

68012029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 68012029 is about 8246.9405842409. The cubic root of 68012029 is about 408.1895765321.

The spelling of 68012029 in words is "sixty-eight million, twelve thousand, twenty-nine".