272906666 has 8 divisors (see below), whose sum is σ = 409448064. Its totient is φ = 136423980.

The previous prime is 272906657. The next prime is 272906677. The reversal of 272906666 is 666609272.

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, 200 + ... + 23363.

It is an arithmetic number, because the mean of its divisors is an integer number (51181008).

Almost surely, 2^272906666 is an apocalyptic number.

272906666 is a deficient number, since it is larger than the sum of its proper divisors (136541398).

272906666 is a wasteful number, since it uses less digits than its factorization.

272906666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29356.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 272906666 is about 16519.8869850856. The cubic root of 272906666 is about 648.6414750348.

The spelling of 272906666 in words is "two hundred seventy-two million, nine hundred six thousand, six hundred sixty-six".