273097280 has 28 divisors (see below), whose sum is σ = 650313660. Its totient is φ = 109238784.

The previous prime is 273097273. The next prime is 273097283. The reversal of 273097280 is 82790372.

It can be written as a sum of positive squares in 2 ways, for example, as 50013184 + 223084096 = 7072^2 + 14936^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (273097283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426395 + ... + 427034.

Almost surely, 2^273097280 is an apocalyptic number.

273097280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273097280 is an abundant number, since it is smaller than the sum of its proper divisors (377216380).

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

273097280 is an equidigital number, since it uses as much as digits as its factorization.

273097280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853446 (or 853436 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 273097280 is about 16525.6552063753. The cubic root of 273097280 is about 648.7924562882.

The spelling of 273097280 in words is "two hundred seventy-three million, ninety-seven thousand, two hundred eighty".