27269990 has 32 divisors (see below), whose sum is σ = 53895456. Its totient is φ = 9852160.

The previous prime is 27269969. The next prime is 27270029. The reversal of 27269990 is 9996272.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 18314 + ... + 19746.

It is an arithmetic number, because the mean of its divisors is an integer number (1684233).

Almost surely, 2^27269990 is an apocalyptic number.

27269990 is a deficient number, since it is larger than the sum of its proper divisors (26625466).

27269990 is a wasteful number, since it uses less digits than its factorization.

27269990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 27269990 is about 5222.0675981837. The cubic root of 27269990 is about 300.9966482705.

The spelling of 27269990 in words is "twenty-seven million, two hundred sixty-nine thousand, nine hundred ninety".