27002641 has 4 divisors (see below), whose sum is σ = 27661284. Its totient is φ = 26344000.

The previous prime is 27002611. The next prime is 27002659. The reversal of 27002641 is 14620072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 25553025 = 1204^2 + 5055^2 .

It is a cyclic number.

It is not a de Polignac number, because 27002641 - 2⁷ = 27002513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27002611) 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, 329260 + ... + 329341.

It is an arithmetic number, because the mean of its divisors is an integer number (6915321).

Almost surely, 2^27002641 is an apocalyptic number.

It is an amenable number.

27002641 is a deficient number, since it is larger than the sum of its proper divisors (658643).

27002641 is an equidigital number, since it uses as much as digits as its factorization.

27002641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658642.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 27002641 is about 5196.4065468360. The cubic root of 27002641 is about 300.0097811626.

The spelling of 27002641 in words is "twenty-seven million, two thousand, six hundred forty-one".