68836835070 has 40 divisors (see below), whose sum is σ = 185094603144. Its totient is φ = 18356489136.

The previous prime is 68836835029. The next prime is 68836835071. The reversal of 68836835070 is 7053863886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 68836834998 and 68836835016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68836835071) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 42491064 + ... + 42492683.

Almost surely, 2^68836835070 is an apocalyptic number.

68836835070 is an abundant number, since it is smaller than the sum of its proper divisors (116257768074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68836835070 is a wasteful number, since it uses less digits than its factorization.

68836835070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84983766 (or 84983757 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 68836835070 in words is "sixty-eight billion, eight hundred thirty-six million, eight hundred thirty-five thousand, seventy".