27049357 has 6 divisors (see below), whose sum is σ = 28277102. Its totient is φ = 25872792.

The previous prime is 27049339. The next prime is 27049387. The reversal of 27049357 is 75394072.

It can be written as a sum of positive squares in only one way, i.e., 26071236 + 978121 = 5106^2 + 989^2 .

It is not a de Polignac number, because 27049357 - 2¹⁵ = 27016589 is a prime.

It is a super-2 number, since 2×27049357² = 1463335428226898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27049387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25038 + ... + 26095.

Almost surely, 2^27049357 is an apocalyptic number.

It is an amenable number.

27049357 is a deficient number, since it is larger than the sum of its proper divisors (1227745).

27049357 is an equidigital number, since it uses as much as digits as its factorization.

27049357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51179 (or 51156 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 27049357 is about 5200.8996337172. The cubic root of 27049357 is about 300.1826924260.

The spelling of 27049357 in words is "twenty-seven million, forty-nine thousand, three hundred fifty-seven".