272645 has 8 divisors (see below), whose sum is σ = 337920. Its totient is φ = 210960.

The previous prime is 272621. The next prime is 272651. The reversal of 272645 is 546272.

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

It is not a de Polignac number, because 272645 - 2⁶ = 272581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (42240).

2²⁷²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

272645 is a deficient number, since it is larger than the sum of its proper divisors (65275).

272645 is a wasteful number, since it uses less digits than its factorization.

272645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its digits is 3360, while the sum is 26.

The square root of 272645 is about 522.1541917863. The cubic root of 272645 is about 64.8434100481.

The spelling of 272645 in words is "two hundred seventy-two thousand, six hundred forty-five".