27670213 has 8 divisors (see below), whose sum is σ = 29351520. Its totient is φ = 26011440.

The previous prime is 27670193. The next prime is 27670231. The reversal of 27670213 is 31207672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27670213 - 2¹³ = 27662021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27670273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070 + ... + 8047.

It is an arithmetic number, because the mean of its divisors is an integer number (3668940).

Almost surely, 2^27670213 is an apocalyptic number.

It is an amenable number.

27670213 is a deficient number, since it is larger than the sum of its proper divisors (1681307).

27670213 is a wasteful number, since it uses less digits than its factorization.

27670213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11267.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 27670213 is about 5260.2483781662. The cubic root of 27670213 is about 302.4620101189.

Adding to 27670213 its reverse (31207672), we get a palindrome (58877885).

The spelling of 27670213 in words is "twenty-seven million, six hundred seventy thousand, two hundred thirteen".