272848666 has 4 divisors (see below), whose sum is σ = 409273002. Its totient is φ = 136424332.

The previous prime is 272848663. The next prime is 272848679. The reversal of 272848666 is 666848272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214769025 + 58079641 = 14655^2 + 7621^2 .

It is not an unprimeable number, because it can be changed into a prime (272848663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68212165 + ... + 68212168.

Almost surely, 2^272848666 is an apocalyptic number.

272848666 is a deficient number, since it is larger than the sum of its proper divisors (136424336).

272848666 is a wasteful number, since it uses less digits than its factorization.

272848666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136424335.

The product of its digits is 1548288, while the sum is 49.

The square root of 272848666 is about 16518.1314318539. The cubic root of 272848666 is about 648.5955205313.

The spelling of 272848666 in words is "two hundred seventy-two million, eight hundred forty-eight thousand, six hundred sixty-six".