68730043 has 2 divisors, whose sum is σ = 68730044. Its totient is φ = 68730042.

The previous prime is 68730037. The next prime is 68730061. The reversal of 68730043 is 34003786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68730043 - 2²⁵ = 35175611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68729987 and 68730014.

It is not a weakly prime, because it can be changed into another prime (68730073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34365021 + 34365022.

It is an arithmetic number, because the mean of its divisors is an integer number (34365022).

Almost surely, 2^68730043 is an apocalyptic number.

68730043 is a deficient number, since it is larger than the sum of its proper divisors (1).

68730043 is an equidigital number, since it uses as much as digits as its factorization.

68730043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 68730043 is about 8290.3584361594. The cubic root of 68730043 is about 409.6209922045.

The spelling of 68730043 in words is "sixty-eight million, seven hundred thirty thousand, forty-three".