27481090 has 96 divisors (see below), whose sum is σ = 64509696. Its totient is φ = 8236800.

The previous prime is 27481081. The next prime is 27481093. The reversal of 27481090 is 9018472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27481093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272040 + ... + 272140.

It is an arithmetic number, because the mean of its divisors is an integer number (671976).

Almost surely, 2^27481090 is an apocalyptic number.

27481090 is an abundant number, since it is smaller than the sum of its proper divisors (37028606).

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

27481090 is a wasteful number, since it uses less digits than its factorization.

27481090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 27481090 is about 5242.2409330362. The cubic root of 27481090 is about 301.7713354659.

The spelling of 27481090 in words is "twenty-seven million, four hundred eighty-one thousand, ninety".