273745040 has 20 divisors (see below), whose sum is σ = 636457404. Its totient is φ = 109497984.

The previous prime is 273745019. The next prime is 273745063. The reversal of 273745040 is 40547372.

It can be written as a sum of positive squares in 2 ways, for example, as 206439424 + 67305616 = 14368^2 + 8204^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 273744988 and 273745006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710827 + ... + 1710986.

Almost surely, 2^273745040 is an apocalyptic number.

273745040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273745040 is an abundant number, since it is smaller than the sum of its proper divisors (362712364).

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

273745040 is a wasteful number, since it uses less digits than its factorization.

273745040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421826 (or 3421820 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 273745040 is about 16545.2422164198. The cubic root of 273745040 is about 649.3050086472.

The spelling of 273745040 in words is "two hundred seventy-three million, seven hundred forty-five thousand, forty".