27047920 has 40 divisors (see below), whose sum is σ = 63103104. Its totient is φ = 10781952.

The previous prime is 27047897. The next prime is 27047921. The reversal of 27047920 is 2974072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27047921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44257 + ... + 44863.

Almost surely, 2^27047920 is an apocalyptic number.

27047920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27047920 is an abundant number, since it is smaller than the sum of its proper divisors (36055184).

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

27047920 is a wasteful number, since it uses less digits than its factorization.

27047920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27047920 is about 5200.7614827062. The cubic root of 27047920 is about 300.1773765860.

The spelling of 27047920 in words is "twenty-seven million, forty-seven thousand, nine hundred twenty".