273245760 has 168 divisors, whose sum is σ = 995315256. Its totient is φ = 68567040.

The previous prime is 273245747. The next prime is 273245803. The reversal of 273245760 is 67542372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36578304 + 236667456 = 6048^2 + 15384^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46170 + ... + 51750.

Almost surely, 2^273245760 is an apocalyptic number.

273245760 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 273245760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497657628).

273245760 is an abundant number, since it is smaller than the sum of its proper divisors (722069496).

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

273245760 is a wasteful number, since it uses less digits than its factorization.

273245760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 273245760 is about 16530.1470047910. The cubic root of 273245760 is about 648.9100154364.

The spelling of 273245760 in words is "two hundred seventy-three million, two hundred forty-five thousand, seven hundred sixty".