68836210 has 16 divisors (see below), whose sum is σ = 125003736. Its totient is φ = 27290368.

The previous prime is 68836199. The next prime is 68836211. The reversal of 68836210 is 1263886.

It can be written as a sum of positive squares in 4 ways, for example, as 18241441 + 50594769 = 4271^2 + 7113^2 .

It is not an unprimeable number, because it can be changed into a prime (68836211) 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 in 7 ways as a sum of consecutive naturals, for example, 29329 + ... + 31588.

Almost surely, 2^68836210 is an apocalyptic number.

68836210 is a deficient number, since it is larger than the sum of its proper divisors (56167526).

68836210 is a wasteful number, since it uses less digits than its factorization.

68836210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61037.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 68836210 is about 8296.7590057805. The cubic root of 68836210 is about 409.8317969567.

The spelling of 68836210 in words is "sixty-eight million, eight hundred thirty-six thousand, two hundred ten".