27402849 has 12 divisors (see below), whose sum is σ = 39643812. Its totient is φ = 18240000.

The previous prime is 27402803. The next prime is 27402871. The reversal of 27402849 is 94820472.

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 26967249 = 660^2 + 5193^2 .

It is not a de Polignac number, because 27402849 - 2⁷ = 27402721 is a prime.

It is a super-2 number, since 2×27402849² = 1501832266633602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27402889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4849 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (3303651).

Almost surely, 2^27402849 is an apocalyptic number.

It is an amenable number.

27402849 is a deficient number, since it is larger than the sum of its proper divisors (12240963).

27402849 is a wasteful number, since it uses less digits than its factorization.

27402849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27402849 is about 5234.7730609836. The cubic root of 27402849 is about 301.4846736927.

The spelling of 27402849 in words is "twenty-seven million, four hundred two thousand, eight hundred forty-nine".