27312963 has 4 divisors (see below), whose sum is σ = 36417288. Its totient is φ = 18208640.

The previous prime is 27312917. The next prime is 27312973. The reversal of 27312963 is 36921372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27312963 - 2¹⁴ = 27296579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27312913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4552158 + ... + 4552163.

It is an arithmetic number, because the mean of its divisors is an integer number (9104322).

Almost surely, 2^27312963 is an apocalyptic number.

27312963 is a deficient number, since it is larger than the sum of its proper divisors (9104325).

27312963 is an equidigital number, since it uses as much as digits as its factorization.

27312963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104324.

The product of its digits is 13608, while the sum is 33.

The square root of 27312963 is about 5226.1805364913. The cubic root of 27312963 is about 301.1546722934.

The spelling of 27312963 in words is "twenty-seven million, three hundred twelve thousand, nine hundred sixty-three".