73868666 has 16 divisors (see below), whose sum is σ = 111975264. Its totient is φ = 36545904.

The previous prime is 73868651. The next prime is 73868693. The reversal of 73868666 is 66686837.

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, 112796 + ... + 113448.

It is an arithmetic number, because the mean of its divisors is an integer number (6998454).

Almost surely, 2^73868666 is an apocalyptic number.

73868666 is a deficient number, since it is larger than the sum of its proper divisors (38106598).

73868666 is a wasteful number, since it uses less digits than its factorization.

73868666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 1741824, while the sum is 50.

The square root of 73868666 is about 8594.6882433280. The cubic root of 73868666 is about 419.5851269854.

The spelling of 73868666 in words is "seventy-three million, eight hundred sixty-eight thousand, six hundred sixty-six".