27957412 has 36 divisors (see below), whose sum is σ = 57832320. Its totient is φ = 11584080.

The previous prime is 27957409. The next prime is 27957431. The reversal of 27957412 is 21475972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26389 + ... + 27427.

Almost surely, 2^27957412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27957412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28916160).

27957412 is an abundant number, since it is smaller than the sum of its proper divisors (29874908).

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

27957412 is a wasteful number, since it uses less digits than its factorization.

27957412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1079 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 27957412 is about 5287.4769030228. The cubic root of 27957412 is about 303.5048640055.

The spelling of 27957412 in words is "twenty-seven million, nine hundred fifty-seven thousand, four hundred twelve".