68435871 has 16 divisors (see below), whose sum is σ = 104427264. Its totient is φ = 39052224.

The previous prime is 68435869. The next prime is 68435881. The reversal of 68435871 is 17853486.

It is not a de Polignac number, because 68435871 - 2¹ = 68435869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68435881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17251 + ... + 20843.

It is an arithmetic number, because the mean of its divisors is an integer number (6526704).

Almost surely, 2^68435871 is an apocalyptic number.

68435871 is a deficient number, since it is larger than the sum of its proper divisors (35991393).

68435871 is a wasteful number, since it uses less digits than its factorization.

68435871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510.

The product of its digits is 161280, while the sum is 42.

The square root of 68435871 is about 8272.5975968858. The cubic root of 68435871 is about 409.0357490925.

The spelling of 68435871 in words is "sixty-eight million, four hundred thirty-five thousand, eight hundred seventy-one".