272818 has 16 divisors (see below), whose sum is σ = 504000. Its totient is φ = 107856.

The previous prime is 272813. The next prime is 272863. The reversal of 272818 is 818272.

It is a super-2 number, since 2×272818² = 148859322248, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁴ + 7⁴ + 8² + 2¹³ + 1 + 8⁶ .

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

272818 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2²⁷²⁸¹⁸ is an apocalyptic number.

272818 is a deficient number, since it is larger than the sum of its proper divisors (231182).

272818 is a wasteful number, since it uses less digits than its factorization.

272818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521.

The product of its digits is 1792, while the sum is 28.

The square root of 272818 is about 522.3198253944. The cubic root of 272818 is about 64.8571220644.

The spelling of 272818 in words is "two hundred seventy-two thousand, eight hundred eighteen".