68715029 has 2 divisors, whose sum is σ = 68715030. Its totient is φ = 68715028.

The previous prime is 68715019. The next prime is 68715041. The reversal of 68715029 is 92051786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59320804 + 9394225 = 7702^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 68715029 - 2⁴ = 68715013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68714983 and 68715001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68715019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34357514 + 34357515.

It is an arithmetic number, because the mean of its divisors is an integer number (34357515).

Almost surely, 2^68715029 is an apocalyptic number.

It is an amenable number.

68715029 is a deficient number, since it is larger than the sum of its proper divisors (1).

68715029 is an equidigital number, since it uses as much as digits as its factorization.

68715029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 68715029 is about 8289.4528769998. The cubic root of 68715029 is about 409.5911629519.

The spelling of 68715029 in words is "sixty-eight million, seven hundred fifteen thousand, twenty-nine".