68371886 has 8 divisors (see below), whose sum is σ = 111881304. Its totient is φ = 31078120.

The previous prime is 68371871. The next prime is 68371889. The reversal of 68371886 is 68817386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68371886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68371889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553885 + ... + 1553928.

It is an arithmetic number, because the mean of its divisors is an integer number (13985163).

Almost surely, 2^68371886 is an apocalyptic number.

68371886 is a deficient number, since it is larger than the sum of its proper divisors (43509418).

68371886 is a wasteful number, since it uses less digits than its factorization.

68371886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107826.

The product of its digits is 387072, while the sum is 47.

The square root of 68371886 is about 8268.7294066259. The cubic root of 68371886 is about 408.9082315937.

The spelling of 68371886 in words is "sixty-eight million, three hundred seventy-one thousand, eight hundred eighty-six".