273738920 has 128 divisors (see below), whose sum is σ = 764467200. Its totient is φ = 85902336.

The previous prime is 273738869. The next prime is 273738943. The reversal of 273738920 is 29837372.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 571241 + ... + 571719.

It is an arithmetic number, because the mean of its divisors is an integer number (5972400).

Almost surely, 2^273738920 is an apocalyptic number.

273738920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273738920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382233600).

273738920 is an abundant number, since it is smaller than the sum of its proper divisors (490728280).

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

273738920 is a wasteful number, since it uses less digits than its factorization.

273738920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 273738920 is about 16545.0572679577. The cubic root of 273738920 is about 649.3001698670.

The spelling of 273738920 in words is "two hundred seventy-three million, seven hundred thirty-eight thousand, nine hundred twenty".