27940245 has 8 divisors (see below), whose sum is σ = 44704416. Its totient is φ = 14901456.

The previous prime is 27940201. The next prime is 27940247. The reversal of 27940245 is 54204972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27940245 - 2⁶ = 27940181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27940247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 931327 + ... + 931356.

It is an arithmetic number, because the mean of its divisors is an integer number (5588052).

Almost surely, 2^27940245 is an apocalyptic number.

It is an amenable number.

27940245 is a deficient number, since it is larger than the sum of its proper divisors (16764171).

27940245 is a wasteful number, since it uses less digits than its factorization.

27940245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862691.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 27940245 is about 5285.8532896780. The cubic root of 27940245 is about 303.4427297993.

The spelling of 27940245 in words is "twenty-seven million, nine hundred forty thousand, two hundred forty-five".