27435090 has 32 divisors (see below), whose sum is σ = 68708736. Its totient is φ = 6997760.

The previous prime is 27435077. The next prime is 27435097. The reversal of 27435090 is 9053472.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (27435097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19191 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (2147148).

Almost surely, 2^27435090 is an apocalyptic number.

27435090 is an abundant number, since it is smaller than the sum of its proper divisors (41273646).

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

27435090 is a wasteful number, since it uses less digits than its factorization.

27435090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39794.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 27435090 is about 5237.8516588388. The cubic root of 27435090 is about 301.6028652689.

The spelling of 27435090 in words is "twenty-seven million, four hundred thirty-five thousand, ninety".