68835105 has 24 divisors (see below), whose sum is σ = 122227560. Its totient is φ = 35815680.

The previous prime is 68835101. The next prime is 68835121. The reversal of 68835105 is 50153886.

68835105 is a `hidden beast` number, since 68 + 83 + 510 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77841 + 68757264 = 279^2 + 8292^2 .

It is not a de Polignac number, because 68835105 - 2² = 68835101 is a prime.

It is a super-2 number, since 2×68835105² = 9476543360722050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68835105.

It is not an unprimeable number, because it can be changed into a prime (68835101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16810 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (5092815).

Almost surely, 2^68835105 is an apocalyptic number.

It is an amenable number.

68835105 is a deficient number, since it is larger than the sum of its proper divisors (53392455).

68835105 is a wasteful number, since it uses less digits than its factorization.

68835105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37361 (or 37358 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 68835105 is about 8296.6924132452. The cubic root of 68835105 is about 409.8296039900.

The spelling of 68835105 in words is "sixty-eight million, eight hundred thirty-five thousand, one hundred five".