71368666 has 8 divisors (see below), whose sum is σ = 107896320. Its totient is φ = 35403228.

The previous prime is 71368657. The next prime is 71368711. The reversal of 71368666 is 66686317.

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

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, 140236 + ... + 140743.

It is an arithmetic number, because the mean of its divisors is an integer number (13487040).

Almost surely, 2^71368666 is an apocalyptic number.

71368666 is a deficient number, since it is larger than the sum of its proper divisors (36527654).

71368666 is a wasteful number, since it uses less digits than its factorization.

71368666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281108.

The product of its digits is 217728, while the sum is 43.

The square root of 71368666 is about 8447.9977509467. The cubic root of 71368666 is about 414.7972416417.

The spelling of 71368666 in words is "seventy-one million, three hundred sixty-eight thousand, six hundred sixty-six".