68107870 has 16 divisors (see below), whose sum is σ = 122705280. Its totient is φ = 27218464.

The previous prime is 68107867. The next prime is 68107877. The reversal of 68107870 is 7870186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68107877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12024 + ... + 16756.

It is an arithmetic number, because the mean of its divisors is an integer number (7669080).

Almost surely, 2^68107870 is an apocalyptic number.

68107870 is a deficient number, since it is larger than the sum of its proper divisors (54597410).

68107870 is a wasteful number, since it uses less digits than its factorization.

68107870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 68107870 is about 8252.7492388900. The cubic root of 68107870 is about 408.3812236857.

The spelling of 68107870 in words is "sixty-eight million, one hundred seven thousand, eight hundred seventy".