68836835 has 16 divisors (see below), whose sum is σ = 85115136. Its totient is φ = 53405568.

The previous prime is 68836813. The next prime is 68836837. The reversal of 68836835 is 53863886.

It is a cyclic number.

It is not a de Polignac number, because 68836835 - 2¹² = 68832739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68836835.

It is not an unprimeable number, because it can be changed into a prime (68836837) 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, 111989 + ... + 112601.

It is an arithmetic number, because the mean of its divisors is an integer number (5319696).

Almost surely, 2^68836835 is an apocalyptic number.

68836835 is a deficient number, since it is larger than the sum of its proper divisors (16278301).

68836835 is a wasteful number, since it uses less digits than its factorization.

68836835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its digits is 829440, while the sum is 47.

The square root of 68836835 is about 8296.7966710050. The cubic root of 68836835 is about 409.8330373121.

The spelling of 68836835 in words is "sixty-eight million, eight hundred thirty-six thousand, eight hundred thirty-five".