275448666 has 8 divisors (see below), whose sum is σ = 550897344. Its totient is φ = 91816220.

The previous prime is 275448653. The next prime is 275448673. The reversal of 275448666 is 666844572.

275448666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

275448666 is an admirable number.

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, 22954050 + ... + 22954061.

It is an arithmetic number, because the mean of its divisors is an integer number (68862168).

Almost surely, 2^275448666 is an apocalyptic number.

275448666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275448666 is a wasteful number, since it uses less digits than its factorization.

275448666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45908116.

The product of its digits is 1935360, while the sum is 48.

The square root of 275448666 is about 16596.6462274762. The cubic root of 275448666 is about 650.6491865186.

The spelling of 275448666 in words is "two hundred seventy-five million, four hundred forty-eight thousand, six hundred sixty-six".