27290461 has 12 divisors (see below), whose sum is σ = 30734172. Its totient is φ = 24200000.

The previous prime is 27290437. The next prime is 27290467. The reversal of 27290461 is 16409272.

It can be written as a sum of positive squares in 2 ways, for example, as 14822500 + 12467961 = 3850^2 + 3531^2 .

It is not a de Polignac number, because 27290461 - 2⁵ = 27290429 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 (27290467) 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 11 ways as a sum of consecutive naturals, for example, 2211 + ... + 7711.

It is an arithmetic number, because the mean of its divisors is an integer number (2561181).

Almost surely, 2^27290461 is an apocalyptic number.

It is an amenable number.

27290461 is a deficient number, since it is larger than the sum of its proper divisors (3443711).

27290461 is a wasteful number, since it uses less digits than its factorization.

27290461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564 (or 5553 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 27290461 is about 5224.0272778767. The cubic root of 27290461 is about 301.0719466871.

The spelling of 27290461 in words is "twenty-seven million, two hundred ninety thousand, four hundred sixty-one".