272641 has 4 divisors (see below), whose sum is σ = 275392. Its totient is φ = 269892.

The previous prime is 272621. The next prime is 272651. The reversal of 272641 is 146272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272641 - 2¹¹ = 270593 is a prime.

It is a super-2 number, since 2×272641² = 148666229762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221 + ... + 1426.

It is an arithmetic number, because the mean of its divisors is an integer number (68848).

2²⁷²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

272641 is a deficient number, since it is larger than the sum of its proper divisors (2751).

272641 is a wasteful number, since it uses less digits than its factorization.

272641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its digits is 672, while the sum is 22.

The square root of 272641 is about 522.1503614860. The cubic root of 272641 is about 64.8430929386.

The spelling of 272641 in words is "two hundred seventy-two thousand, six hundred forty-one".