272443 has 4 divisors (see below), whose sum is σ = 274968. Its totient is φ = 269920.

The previous prime is 272423. The next prime is 272449. The reversal of 272443 is 344272.

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 272443 - 2⁵ = 272411 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (272449) 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, 1093 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (68742).

2²⁷²⁴⁴³ is an apocalyptic number.

272443 is a deficient number, since it is larger than the sum of its proper divisors (2525).

272443 is a wasteful number, since it uses less digits than its factorization.

272443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524.

The product of its digits is 1344, while the sum is 22.

The square root of 272443 is about 521.9607264919. The cubic root of 272443 is about 64.8273921432.

The spelling of 272443 in words is "two hundred seventy-two thousand, four hundred forty-three", and thus it is an iban number.