272866345 has 8 divisors (see below), whose sum is σ = 327739464. Its totient is φ = 218093184.

The previous prime is 272866339. The next prime is 272866351. The reversal of 272866345 is 543668272.

It is an interprime number because it is at equal distance from previous prime (272866339) and next prime (272866351).

It can be written as a sum of positive squares in 4 ways, for example, as 43283241 + 229583104 = 6579^2 + 15152^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 272866345 - 2¹³ = 272858153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18844 + ... + 30013.

It is an arithmetic number, because the mean of its divisors is an integer number (40967433).

Almost surely, 2^272866345 is an apocalyptic number.

It is an amenable number.

272866345 is a deficient number, since it is larger than the sum of its proper divisors (54873119).

272866345 is a wasteful number, since it uses less digits than its factorization.

272866345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49979.

The product of its digits is 483840, while the sum is 43.

The square root of 272866345 is about 16518.6665624075. Note that the first 3 decimals coincide. The cubic root of 272866345 is about 648.6095286293.

The spelling of 272866345 in words is "two hundred seventy-two million, eight hundred sixty-six thousand, three hundred forty-five".