68942786 has 32 divisors (see below), whose sum is σ = 120025152. Its totient is φ = 29352960.

The previous prime is 68942779. The next prime is 68942789. The reversal of 68942786 is 68724986.

It is not an unprimeable number, because it can be changed into a prime (68942789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125765 + ... + 126311.

It is an arithmetic number, because the mean of its divisors is an integer number (3750786).

Almost surely, 2^68942786 is an apocalyptic number.

68942786 is a deficient number, since it is larger than the sum of its proper divisors (51082366).

68942786 is a wasteful number, since it uses less digits than its factorization.

68942786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 1161216, while the sum is 50.

The square root of 68942786 is about 8303.1792706168. The cubic root of 68942786 is about 410.0431959248.

The spelling of 68942786 in words is "sixty-eight million, nine hundred forty-two thousand, seven hundred eighty-six".