27669090 has 16 divisors (see below), whose sum is σ = 66405888. Its totient is φ = 7378416.

The previous prime is 27669079. The next prime is 27669113. The reversal of 27669090 is 9096672.

It is a super-4 number, since 4×27669090⁴ (a number of 31 digits) contains 4444 as substring.

It is an unprimeable number.

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, 461122 + ... + 461181.

It is an arithmetic number, because the mean of its divisors is an integer number (4150368).

Almost surely, 2^27669090 is an apocalyptic number.

27669090 is an abundant number, since it is smaller than the sum of its proper divisors (38736798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27669090 is a wasteful number, since it uses less digits than its factorization.

27669090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922313.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 27669090 is about 5260.1416330742. The cubic root of 27669090 is about 302.4579182406.

The spelling of 27669090 in words is "twenty-seven million, six hundred sixty-nine thousand, ninety".