27090402 has 8 divisors (see below), whose sum is σ = 54180816. Its totient is φ = 9030132.

The previous prime is 27090391. The next prime is 27090403. The reversal of 27090402 is 20409072.

It is a sphenic number, since it is the product of 3 distinct primes.

27090402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27090403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257528 + ... + 2257539.

It is an arithmetic number, because the mean of its divisors is an integer number (6772602).

Almost surely, 2^27090402 is an apocalyptic number.

27090402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27090402 is a wasteful number, since it uses less digits than its factorization.

27090402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515072.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 27090402 is about 5204.8440898840. The cubic root of 27090402 is about 300.3344492294.

Adding to 27090402 its reverse (20409072), we get a palindrome (47499474).

The spelling of 27090402 in words is "twenty-seven million, ninety thousand, four hundred two".