27485420 has 12 divisors (see below), whose sum is σ = 57719424. Its totient is φ = 10994160.

The previous prime is 27485407. The next prime is 27485431. The reversal of 27485420 is 2458472.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687116 + ... + 687155.

It is an arithmetic number, because the mean of its divisors is an integer number (4809952).

Almost surely, 2^27485420 is an apocalyptic number.

27485420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27485420 is an abundant number, since it is smaller than the sum of its proper divisors (30234004).

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

27485420 is a wasteful number, since it uses less digits than its factorization.

27485420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374280 (or 1374278 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 27485420 is about 5242.6539080889. The cubic root of 27485420 is about 301.7871839550.

The spelling of 27485420 in words is "twenty-seven million, four hundred eighty-five thousand, four hundred twenty".