273631240 has 32 divisors (see below), whose sum is σ = 636903000. Its totient is φ = 105677824.

The previous prime is 273631223. The next prime is 273631247. The reversal of 273631240 is 42136372.

It can be written as a sum of positive squares in 4 ways, for example, as 203975524 + 69655716 = 14282^2 + 8346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 273631199 and 273631208.

It is not an unprimeable number, because it can be changed into a prime (273631247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116785 + ... + 119104.

Almost surely, 2^273631240 is an apocalyptic number.

273631240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273631240 is an abundant number, since it is smaller than the sum of its proper divisors (363271760).

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

273631240 is a wasteful number, since it uses less digits than its factorization.

273631240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235929 (or 235925 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 273631240 is about 16541.8028038059. The cubic root of 273631240 is about 649.2150208353.

The spelling of 273631240 in words is "two hundred seventy-three million, six hundred thirty-one thousand, two hundred forty".