272811 has 16 divisors (see below), whose sum is σ = 453888. Its totient is φ = 141600.

The previous prime is 272809. The next prime is 272813. The reversal of 272811 is 118272.

It is an interprime number because it is at equal distance from previous prime (272809) and next prime (272813).

It is not a de Polignac number, because 272811 - 2¹ = 272809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (28368).

2²⁷²⁸¹¹ is an apocalyptic number.

272811 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

272811 is a deficient number, since it is larger than the sum of its proper divisors (181077).

272811 is a wasteful number, since it uses less digits than its factorization.

272811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its digits is 224, while the sum is 21.

The square root of 272811 is about 522.3131244761. The cubic root of 272811 is about 64.8565673555.

The spelling of 272811 in words is "two hundred seventy-two thousand, eight hundred eleven".