68715043 has 2 divisors, whose sum is σ = 68715044. Its totient is φ = 68715042.

The previous prime is 68715041. The next prime is 68715089. The reversal of 68715043 is 34051786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68715043 - 2¹ = 68715041 is a prime.

Together with 68715041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68715041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34357521 + 34357522.

It is an arithmetic number, because the mean of its divisors is an integer number (34357522).

Almost surely, 2^68715043 is an apocalyptic number.

68715043 is a deficient number, since it is larger than the sum of its proper divisors (1).

68715043 is an equidigital number, since it uses as much as digits as its factorization.

68715043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 68715043 is about 8289.4537214463. The cubic root of 68715043 is about 409.5911907686.

The spelling of 68715043 in words is "sixty-eight million, seven hundred fifteen thousand, forty-three".