27670541 has 4 divisors (see below), whose sum is σ = 28873632. Its totient is φ = 26467452.

The previous prime is 27670537. The next prime is 27670549. The reversal of 27670541 is 14507672.

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 27670541 - 2² = 27670537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27670498 and 27670507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27670549) 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, 601511 + ... + 601556.

It is an arithmetic number, because the mean of its divisors is an integer number (7218408).

Almost surely, 2^27670541 is an apocalyptic number.

It is an amenable number.

27670541 is a deficient number, since it is larger than the sum of its proper divisors (1203091).

27670541 is a wasteful number, since it uses less digits than its factorization.

27670541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203090.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 27670541 is about 5260.2795553088. The cubic root of 27670541 is about 302.4632052325.

The spelling of 27670541 in words is "twenty-seven million, six hundred seventy thousand, five hundred forty-one".