840068782 has 8 divisors (see below), whose sum is σ = 1440117936. Its totient is φ = 360029472.

The previous prime is 840068773. The next prime is 840068807. The reversal of 840068782 is 287860048.

840068782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30002443 + ... + 30002470.

It is an arithmetic number, because the mean of its divisors is an integer number (180014742).

Almost surely, 2^840068782 is an apocalyptic number.

840068782 is a deficient number, since it is larger than the sum of its proper divisors (600049154).

840068782 is a wasteful number, since it uses less digits than its factorization.

840068782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60004922.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 840068782 is about 28983.9400703217. The cubic root of 840068782 is about 943.5645487277.

The spelling of 840068782 in words is "eight hundred forty million, sixty-eight thousand, seven hundred eighty-two".