27208493 has 6 divisors (see below), whose sum is σ = 29462634. Its totient is φ = 25115376.

The previous prime is 27208481. The next prime is 27208507. The reversal of 27208493 is 39480272.

It can be written as a sum of positive squares in 3 ways, for example, as 3374569 + 23833924 = 1837^2 + 4882^2 .

It is not a de Polignac number, because 27208493 - 2⁶ = 27208429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27208393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80330 + ... + 80667.

It is an arithmetic number, because the mean of its divisors is an integer number (4910439).

Almost surely, 2^27208493 is an apocalyptic number.

It is an amenable number.

27208493 is a deficient number, since it is larger than the sum of its proper divisors (2254141).

27208493 is a wasteful number, since it uses less digits than its factorization.

27208493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161023 (or 161010 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 27208493 is about 5216.1760898191. The cubic root of 27208493 is about 300.7702171558.

The spelling of 27208493 in words is "twenty-seven million, two hundred eight thousand, four hundred ninety-three".