27009490 has 16 divisors (see below), whose sum is σ = 49652352. Its totient is φ = 10573744.

The previous prime is 27009473. The next prime is 27009491. The reversal of 27009490 is 9490072.

It is not an unprimeable number, because it can be changed into a prime (27009491) 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 7 ways as a sum of consecutive naturals, for example, 28264 + ... + 29203.

It is an arithmetic number, because the mean of its divisors is an integer number (3103272).

Almost surely, 2^27009490 is an apocalyptic number.

27009490 is a deficient number, since it is larger than the sum of its proper divisors (22642862).

27009490 is a wasteful number, since it uses less digits than its factorization.

27009490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57521.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 27009490 is about 5197.0655181554. The cubic root of 27009490 is about 300.0351440310.

The spelling of 27009490 in words is "twenty-seven million, nine thousand, four hundred ninety".