273043681 has 8 divisors (see below), whose sum is σ = 294006240. Its totient is φ = 252625728.

The previous prime is 273043669. The next prime is 273043709. The reversal of 273043681 is 186340372.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 273043681 - 2¹¹ = 273041633 is a prime.

It is a super-2 number, since 2×273043681² = 149105703468059522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273043621) 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, 135111 + ... + 137116.

It is an arithmetic number, because the mean of its divisors is an integer number (36750780).

Almost surely, 2^273043681 is an apocalyptic number.

It is an amenable number.

273043681 is a deficient number, since it is larger than the sum of its proper divisors (20962559).

273043681 is a wasteful number, since it uses less digits than its factorization.

273043681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272303.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 273043681 is about 16524.0334361802. The cubic root of 273043681 is about 648.7500087739.

The spelling of 273043681 in words is "two hundred seventy-three million, forty-three thousand, six hundred eighty-one".