272689985 has 8 divisors (see below), whose sum is σ = 327765480. Its totient is φ = 217793664.

The previous prime is 272689973. The next prime is 272690053. The reversal of 272689985 is 589986272.

It can be written as a sum of positive squares in 4 ways, for example, as 703921 + 271986064 = 839^2 + 16492^2 .

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 272689985 - 2⁴ = 272689969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272689985.

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, 41420 + ... + 47549.

It is an arithmetic number, because the mean of its divisors is an integer number (40970685).

Almost surely, 2^272689985 is an apocalyptic number.

It is an amenable number.

272689985 is a deficient number, since it is larger than the sum of its proper divisors (55075495).

272689985 is an equidigital number, since it uses as much as digits as its factorization.

272689985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89587.

The product of its digits is 4354560, while the sum is 56.

The square root of 272689985 is about 16513.3274962983. The cubic root of 272689985 is about 648.4697612652.

The spelling of 272689985 in words is "two hundred seventy-two million, six hundred eighty-nine thousand, nine hundred eighty-five".