68675210 has 16 divisors (see below), whose sum is σ = 123709896. Its totient is φ = 27449088.

The previous prime is 68675209. The next prime is 68675221. The reversal of 68675210 is 1257686.

It can be written as a sum of positive squares in 4 ways, for example, as 51394561 + 17280649 = 7169^2 + 4157^2 .

It is an unprimeable number.

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, 23342 + ... + 26118.

Almost surely, 2^68675210 is an apocalyptic number.

68675210 is a deficient number, since it is larger than the sum of its proper divisors (55034686).

68675210 is a wasteful number, since it uses less digits than its factorization.

68675210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 68675210 is about 8287.0507419709. The cubic root of 68675210 is about 409.5120310059.

The spelling of 68675210 in words is "sixty-eight million, six hundred seventy-five thousand, two hundred ten".