27145732 has 12 divisors (see below), whose sum is σ = 48284236. Its totient is φ = 13350240.

The previous prime is 27145721. The next prime is 27145733. The reversal of 27145732 is 23754172.

It can be written as a sum of positive squares in 2 ways, for example, as 8964036 + 18181696 = 2994^2 + 4264^2 .

It is a super-3 number, since 3×27145732³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27145694 and 27145703.

It is not an unprimeable number, because it can be changed into a prime (27145733) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55383 + ... + 55870.

Almost surely, 2^27145732 is an apocalyptic number.

It is an amenable number.

27145732 is a deficient number, since it is larger than the sum of its proper divisors (21138504).

27145732 is a wasteful number, since it uses less digits than its factorization.

27145732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111318 (or 111316 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 27145732 is about 5210.1566195269. The cubic root of 27145732 is about 300.5387799561.

The spelling of 27145732 in words is "twenty-seven million, one hundred forty-five thousand, seven hundred thirty-two".