27867425 has 6 divisors (see below), whose sum is σ = 34555638. Its totient is φ = 22293920.

The previous prime is 27867407. The next prime is 27867431. The reversal of 27867425 is 52476872.

It can be written as a sum of positive squares in 3 ways, for example, as 73441 + 27793984 = 271^2 + 5272^2 .

It is not a de Polignac number, because 27867425 - 2¹⁴ = 27851041 is a prime.

It is a super-2 number, since 2×27867425² = 1553186752261250, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 557324 + ... + 557373.

It is an arithmetic number, because the mean of its divisors is an integer number (5759273).

Almost surely, 2^27867425 is an apocalyptic number.

27867425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27867425 is a deficient number, since it is larger than the sum of its proper divisors (6688213).

27867425 is a wasteful number, since it uses less digits than its factorization.

27867425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114707 (or 1114702 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 27867425 is about 5278.9605984512. The cubic root of 27867425 is about 303.1788819085.

The spelling of 27867425 in words is "twenty-seven million, eight hundred sixty-seven thousand, four hundred twenty-five".