272808668 has 24 divisors (see below), whose sum is σ = 525435120. Its totient is φ = 122904320.

The previous prime is 272808661. The next prime is 272808671. The reversal of 272808668 is 866808272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272808661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22463 + ... + 32406.

It is an arithmetic number, because the mean of its divisors is an integer number (21893130).

Almost surely, 2^272808668 is an apocalyptic number.

It is an amenable number.

272808668 is a deficient number, since it is larger than the sum of its proper divisors (252626452).

272808668 is a wasteful number, since it uses less digits than its factorization.

272808668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54997 (or 54995 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 272808668 is about 16516.9206573138. The cubic root of 272808668 is about 648.5638255606.

The spelling of 272808668 in words is "two hundred seventy-two million, eight hundred eight thousand, six hundred sixty-eight".