27290471 has 8 divisors (see below), whose sum is σ = 29762880. Its totient is φ = 24871392.

The previous prime is 27290467. The next prime is 27290521. The reversal of 27290471 is 17409272.

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

It is not a de Polignac number, because 27290471 - 2² = 27290467 is a prime.

It is a super-3 number, since 3×27290471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27290401) 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, 12260 + ... + 14313.

It is an arithmetic number, because the mean of its divisors is an integer number (3720360).

Almost surely, 2^27290471 is an apocalyptic number.

27290471 is a deficient number, since it is larger than the sum of its proper divisors (2472409).

27290471 is a wasteful number, since it uses less digits than its factorization.

27290471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26665.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 27290471 is about 5224.0282349926. The cubic root of 27290471 is about 301.0719834609.

The spelling of 27290471 in words is "twenty-seven million, two hundred ninety thousand, four hundred seventy-one".