273274661 has 8 divisors (see below), whose sum is σ = 311079744. Its totient is φ = 237629920.

The previous prime is 273274649. The next prime is 273274691. The reversal of 273274661 is 166472372.

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

It is not a de Polignac number, because 273274661 - 2¹⁴ = 273258277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273274691) 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, 539816 + ... + 540321.

It is an arithmetic number, because the mean of its divisors is an integer number (38884968).

Almost surely, 2^273274661 is an apocalyptic number.

It is an amenable number.

273274661 is a deficient number, since it is larger than the sum of its proper divisors (37805083).

273274661 is a wasteful number, since it uses less digits than its factorization.

273274661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080171.

The product of its digits is 84672, while the sum is 38.

The square root of 273274661 is about 16531.0211723293. The cubic root of 273274661 is about 648.9328928724.

The spelling of 273274661 in words is "two hundred seventy-three million, two hundred seventy-four thousand, six hundred sixty-one".