68766870 has 32 divisors (see below), whose sum is σ = 174750048. Its totient is φ = 17259008.

The previous prime is 68766839. The next prime is 68766883. The reversal of 68766870 is 7866786.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66909 + ... + 67928.

It is an arithmetic number, because the mean of its divisors is an integer number (5460939).

Almost surely, 2^68766870 is an apocalyptic number.

68766870 is an abundant number, since it is smaller than the sum of its proper divisors (105983178).

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

68766870 is a wasteful number, since it uses less digits than its factorization.

68766870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134864.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 68766870 is about 8292.5792127661. The cubic root of 68766870 is about 409.6941403171.

The spelling of 68766870 in words is "sixty-eight million, seven hundred sixty-six thousand, eight hundred seventy".