68420359075 has 6 divisors (see below), whose sum is σ = 84841245284. Its totient is φ = 54736287240.

The previous prime is 68420359069. The next prime is 68420359081. The reversal of 68420359075 is 57095302486.

It is an interprime number because it is at equal distance from previous prime (68420359069) and next prime (68420359081).

It is not a de Polignac number, because 68420359075 - 2⁵ = 68420359043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1368407157 + ... + 1368407206.

Almost surely, 2^68420359075 is an apocalyptic number.

68420359075 is a deficient number, since it is larger than the sum of its proper divisors (16420886209).

68420359075 is a wasteful number, since it uses less digits than its factorization.

68420359075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736814373 (or 2736814368 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 68420359075 in words is "sixty-eight billion, four hundred twenty million, three hundred fifty-nine thousand, seventy-five".