27397493 has 8 divisors (see below), whose sum is σ = 28353600. Its totient is φ = 26455968.

The previous prime is 27397483. The next prime is 27397537. The reversal of 27397493 is 39479372.

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 27397493 - 2⁶ = 27397429 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 (27397453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (3544200).

Almost surely, 2^27397493 is an apocalyptic number.

It is an amenable number.

27397493 is a deficient number, since it is larger than the sum of its proper divisors (956107).

27397493 is an equidigital number, since it uses as much as digits as its factorization.

27397493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291.

The product of its digits is 285768, while the sum is 44.

The square root of 27397493 is about 5234.2614569775. The cubic root of 27397493 is about 301.4650302713.

The spelling of 27397493 in words is "twenty-seven million, three hundred ninety-seven thousand, four hundred ninety-three".