272738 has 16 divisors (see below), whose sum is σ = 435456. Its totient is φ = 127920.

The previous prime is 272737. The next prime is 272759. The reversal of 272738 is 837272.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 272738.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272738.

It is not an unprimeable number, because it can be changed into a prime (272737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2²⁷²⁷³⁸ is an apocalyptic number.

272738 is a deficient number, since it is larger than the sum of its proper divisors (162718).

272738 is a wasteful number, since it uses less digits than its factorization.

272738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its digits is 4704, while the sum is 29.

The square root of 272738 is about 522.2432383478. The cubic root of 272738 is about 64.8507819683.

The spelling of 272738 in words is "two hundred seventy-two thousand, seven hundred thirty-eight".