68075507 has 2 divisors, whose sum is σ = 68075508. Its totient is φ = 68075506.

The previous prime is 68075453. The next prime is 68075533. The reversal of 68075507 is 70557086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68075507 - 2⁶ = 68075443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68075587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34037753 + 34037754.

It is an arithmetic number, because the mean of its divisors is an integer number (34037754).

Almost surely, 2^68075507 is an apocalyptic number.

68075507 is a deficient number, since it is larger than the sum of its proper divisors (1).

68075507 is an equidigital number, since it uses as much as digits as its factorization.

68075507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 68075507 is about 8250.7882653720. The cubic root of 68075507 is about 408.3165295690.

The spelling of 68075507 in words is "sixty-eight million, seventy-five thousand, five hundred seven".