27213049 has 8 divisors (see below), whose sum is σ = 28413000. Its totient is φ = 26030592.

The previous prime is 27213041. The next prime is 27213061. The reversal of 27213049 is 94031272.

It can be written as a sum of positive squares in 4 ways, for example, as 3515625 + 23697424 = 1875^2 + 4868^2 .

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 27213049 - 2³ = 27213041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27213041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144 + ... + 7465.

It is an arithmetic number, because the mean of its divisors is an integer number (3551625).

Almost surely, 2^27213049 is an apocalyptic number.

27213049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27213049 is a deficient number, since it is larger than the sum of its proper divisors (1199951).

27213049 is a wasteful number, since it uses less digits than its factorization.

27213049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27213049 is about 5216.6127899241. The cubic root of 27213049 is about 300.7870039808.

The spelling of 27213049 in words is "twenty-seven million, two hundred thirteen thousand, forty-nine".