27670151 has 4 divisors (see below), whose sum is σ = 27846552. Its totient is φ = 27493752.

The previous prime is 27670141. The next prime is 27670177. The reversal of 27670151 is 15107672.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27670151 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 (27670141) 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 3 ways as a sum of consecutive naturals, for example, 87965 + ... + 88278.

It is an arithmetic number, because the mean of its divisors is an integer number (6961638).

Almost surely, 2^27670151 is an apocalyptic number.

27670151 is a deficient number, since it is larger than the sum of its proper divisors (176401).

27670151 is a wasteful number, since it uses less digits than its factorization.

27670151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176400.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 27670151 is about 5260.2424849050. The cubic root of 27670151 is about 302.4617842122.

The spelling of 27670151 in words is "twenty-seven million, six hundred seventy thousand, one hundred fifty-one".