68773666 has 8 divisors (see below), whose sum is σ = 111095964. Its totient is φ = 31741680.

The previous prime is 68773651. The next prime is 68773697. The reversal of 68773666 is 66637786.

It can be written as a sum of positive squares in 2 ways, for example, as 67815225 + 958441 = 8235^2 + 979^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322545 + ... + 1322596.

Almost surely, 2^68773666 is an apocalyptic number.

68773666 is a deficient number, since it is larger than the sum of its proper divisors (42322298).

68773666 is a wasteful number, since it uses less digits than its factorization.

68773666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645156.

The product of its digits is 1524096, while the sum is 49.

The square root of 68773666 is about 8292.9889665910. The cubic root of 68773666 is about 409.7076361069.

The spelling of 68773666 in words is "sixty-eight million, seven hundred seventy-three thousand, six hundred sixty-six".