273325664 has 24 divisors (see below), whose sum is σ = 548266320. Its totient is φ = 134083456.

The previous prime is 273325649. The next prime is 273325669. The reversal of 273325664 is 466523372.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273325669) by changing a digit.

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, 78884 + ... + 82275.

It is an arithmetic number, because the mean of its divisors is an integer number (22844430).

Almost surely, 2^273325664 is an apocalyptic number.

It is an amenable number.

273325664 is an abundant number, since it is smaller than the sum of its proper divisors (274940656).

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

273325664 is a wasteful number, since it uses less digits than its factorization.

273325664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161222 (or 161214 counting only the distinct ones).

The product of its digits is 181440, while the sum is 38.

The square root of 273325664 is about 16532.5637455296. The cubic root of 273325664 is about 648.9732618616.

The spelling of 273325664 in words is "two hundred seventy-three million, three hundred twenty-five thousand, six hundred sixty-four".