273968928 has 36 divisors (see below), whose sum is σ = 779099958. Its totient is φ = 91322880.

The previous prime is 273968921. The next prime is 273968951. The reversal of 273968928 is 829869372.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 225360144 + 48608784 = 15012^2 + 6972^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (273968921) 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 5 ways as a sum of consecutive naturals, for example, 475353 + ... + 475928.

Almost surely, 2^273968928 is an apocalyptic number.

It is an amenable number.

273968928 is an abundant number, since it is smaller than the sum of its proper divisors (505131030).

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

273968928 is a wasteful number, since it uses less digits than its factorization.

273968928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951297 (or 951286 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 273968928 is about 16552.0067665525. The cubic root of 273968928 is about 649.4819762203.

The spelling of 273968928 in words is "two hundred seventy-three million, nine hundred sixty-eight thousand, nine hundred twenty-eight".