272743 has 4 divisors (see below), whose sum is σ = 275400. Its totient is φ = 270088.

The previous prime is 272737. The next prime is 272759. The reversal of 272743 is 347272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272743 - 2⁹ = 272231 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 7 + 7³ + 2¹³ + 4⁹ + 3² .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278743) 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, 1168 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2²⁷²⁷⁴³ is an apocalyptic number.

272743 is a deficient number, since it is larger than the sum of its proper divisors (2657).

272743 is a wasteful number, since it uses less digits than its factorization.

272743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its digits is 2352, while the sum is 25.

The square root of 272743 is about 522.2480253673. The cubic root of 272743 is about 64.8511782606.

Subtracting 272743 from its reverse (347272), we obtain a square (74529 = 273²).

The spelling of 272743 in words is "two hundred seventy-two thousand, seven hundred forty-three", and thus it is an iban number.