27040658 has 6 divisors (see below), whose sum is σ = 40572021. Its totient is φ = 13516652.

The previous prime is 27040631. The next prime is 27040661. The reversal of 27040658 is 85604072.

It can be written as a sum of positive squares in 2 ways, for example, as 24373969 + 2666689 = 4937^2 + 1633^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3677.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5516 + ... + 9192.

Almost surely, 2^27040658 is an apocalyptic number.

27040658 is a deficient number, since it is larger than the sum of its proper divisors (13531363).

27040658 is an frugal number, since it uses more digits than its factorization.

27040658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 27040658 is about 5200.0632688459. The cubic root of 27040658 is about 300.1505096620.

Multiplying 27040658 by its sum of digits (32), we get a square (865301056 = 29416²).

The spelling of 27040658 in words is "twenty-seven million, forty thousand, six hundred fifty-eight".