27470147 has 4 divisors (see below), whose sum is σ = 29086056. Its totient is φ = 25854240.

The previous prime is 27470141. The next prime is 27470167. The reversal of 27470147 is 74107472.

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-27470147 is a prime.

It is a super-3 number, since 3×27470147³ (a number of 23 digits) contains 333 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27470141) 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, 807929 + ... + 807962.

It is an arithmetic number, because the mean of its divisors is an integer number (7271514).

Almost surely, 2^27470147 is an apocalyptic number.

27470147 is a deficient number, since it is larger than the sum of its proper divisors (1615909).

27470147 is a wasteful number, since it uses less digits than its factorization.

27470147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615908.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 27470147 is about 5241.1970960841. The cubic root of 27470147 is about 301.7312749232.

The spelling of 27470147 in words is "twenty-seven million, four hundred seventy thousand, one hundred forty-seven".