27364021 has 4 divisors (see below), whose sum is σ = 27693792. Its totient is φ = 27034252.

The previous prime is 27364013. The next prime is 27364027. The reversal of 27364021 is 12046372.

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 a cyclic number.

It is not a de Polignac number, because 27364021 - 2³ = 27364013 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 (27364027) 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, 164761 + ... + 164926.

It is an arithmetic number, because the mean of its divisors is an integer number (6923448).

Almost surely, 2^27364021 is an apocalyptic number.

It is an amenable number.

27364021 is a deficient number, since it is larger than the sum of its proper divisors (329771).

27364021 is an equidigital number, since it uses as much as digits as its factorization.

27364021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329770.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 27364021 is about 5231.0630850717. The cubic root of 27364021 is about 301.3422118613.

The spelling of 27364021 in words is "twenty-seven million, three hundred sixty-four thousand, twenty-one".