27398712 has 64 divisors (see below), whose sum is σ = 75888000. Its totient is φ = 8173440.

The previous prime is 27398689. The next prime is 27398719. The reversal of 27398712 is 21789372.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27398719) 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, 16914 + ... + 18462.

It is an arithmetic number, because the mean of its divisors is an integer number (1185750).

Almost surely, 2^27398712 is an apocalyptic number.

27398712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27398712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37944000).

27398712 is an abundant number, since it is smaller than the sum of its proper divisors (48489288).

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

27398712 is a wasteful number, since it uses less digits than its factorization.

27398712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1632 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 27398712 is about 5234.3778999992. The cubic root of 27398712 is about 301.4695012452.

The spelling of 27398712 in words is "twenty-seven million, three hundred ninety-eight thousand, seven hundred twelve".