68287386 has 32 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 21950720.

The previous prime is 68287357. The next prime is 68287403. The reversal of 68287386 is 68378286.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20335 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^68287386 is an apocalyptic number.

68287386 is an abundant number, since it is smaller than the sum of its proper divisors (73235814).

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

68287386 is a wasteful number, since it uses less digits than its factorization.

68287386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254.

The product of its digits is 774144, while the sum is 48.

The square root of 68287386 is about 8263.6182148016. The cubic root of 68287386 is about 408.7397072103.

The spelling of 68287386 in words is "sixty-eight million, two hundred eighty-seven thousand, three hundred eighty-six".