27331493 has 8 divisors (see below), whose sum is σ = 32080512. Its totient is φ = 22793616.

The previous prime is 27331489. The next prime is 27331537. The reversal of 27331493 is 39413372.

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

It is a cyclic number.

It is not a de Polignac number, because 27331493 - 2² = 27331489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27331193) 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 7 ways as a sum of consecutive naturals, for example, 52505 + ... + 53022.

It is an arithmetic number, because the mean of its divisors is an integer number (4010064).

Almost surely, 2^27331493 is an apocalyptic number.

It is an amenable number.

27331493 is a deficient number, since it is larger than the sum of its proper divisors (4749019).

27331493 is a wasteful number, since it uses less digits than its factorization.

27331493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105571.

The product of its digits is 13608, while the sum is 32.

The square root of 27331493 is about 5227.9530411051. The cubic root of 27331493 is about 301.2227612637. Note that the first 3 decimals are identical.

The spelling of 27331493 in words is "twenty-seven million, three hundred thirty-one thousand, four hundred ninety-three".