68071459 has 2 divisors, whose sum is σ = 68071460. Its totient is φ = 68071458.

The previous prime is 68071447. The next prime is 68071469. The reversal of 68071459 is 95417086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68071459 is a prime.

It is not a weakly prime, because it can be changed into another prime (68071469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34035729 + 34035730.

It is an arithmetic number, because the mean of its divisors is an integer number (34035730).

Almost surely, 2^68071459 is an apocalyptic number.

68071459 is a deficient number, since it is larger than the sum of its proper divisors (1).

68071459 is an equidigital number, since it uses as much as digits as its factorization.

68071459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 68071459 is about 8250.5429518305. The cubic root of 68071459 is about 408.3084361144.

The spelling of 68071459 in words is "sixty-eight million, seventy-one thousand, four hundred fifty-nine".