68070853 has 2 divisors, whose sum is σ = 68070854. Its totient is φ = 68070852.

The previous prime is 68070833. The next prime is 68070883. The reversal of 68070853 is 35807086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62204769 + 5866084 = 7887^2 + 2422^2 .

It is a cyclic number.

It is not a de Polignac number, because 68070853 - 2⁹ = 68070341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68070833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34035426 + 34035427.

It is an arithmetic number, because the mean of its divisors is an integer number (34035427).

Almost surely, 2^68070853 is an apocalyptic number.

It is an amenable number.

68070853 is a deficient number, since it is larger than the sum of its proper divisors (1).

68070853 is an equidigital number, since it uses as much as digits as its factorization.

68070853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68070853 is about 8250.5062268930. The cubic root of 68070853 is about 408.3072244679.

The spelling of 68070853 in words is "sixty-eight million, seventy thousand, eight hundred fifty-three".