27363993 has 4 divisors (see below), whose sum is σ = 36485328. Its totient is φ = 18242660.

The previous prime is 27363983. The next prime is 27364003. The reversal of 27363993 is 39936372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (27363983) and next prime (27364003).

It is a cyclic number.

It is not a de Polignac number, because 27363993 - 2⁹ = 27363481 is a prime.

It is a super-2 number, since 2×27363993² = 1497576225808098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27363913) 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 3 ways as a sum of consecutive naturals, for example, 4560663 + ... + 4560668.

It is an arithmetic number, because the mean of its divisors is an integer number (9121332).

Almost surely, 2^27363993 is an apocalyptic number.

It is an amenable number.

27363993 is a deficient number, since it is larger than the sum of its proper divisors (9121335).

27363993 is an equidigital number, since it uses as much as digits as its factorization.

27363993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121334.

The product of its digits is 183708, while the sum is 42.

The square root of 27363993 is about 5231.0604087508. The cubic root of 27363993 is about 301.3421090793.

The spelling of 27363993 in words is "twenty-seven million, three hundred sixty-three thousand, nine hundred ninety-three".