68379666 has 16 divisors (see below), whose sum is σ = 137256384. Its totient is φ = 22710384.

The previous prime is 68379617. The next prime is 68379673. The reversal of 68379666 is 66697386.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18910 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (8578524).

Almost surely, 2^68379666 is an apocalyptic number.

68379666 is an abundant number, since it is smaller than the sum of its proper divisors (68876718).

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

68379666 is a wasteful number, since it uses less digits than its factorization.

68379666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41425.

The product of its digits is 1959552, while the sum is 51.

The square root of 68379666 is about 8269.1998403715. The cubic root of 68379666 is about 408.9237408211.

The spelling of 68379666 in words is "sixty-eight million, three hundred seventy-nine thousand, six hundred sixty-six".