27871494 has 64 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 7672224.

The previous prime is 27871457. The next prime is 27871549. The reversal of 27871494 is 49417872.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59449 + ... + 59915.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^27871494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27871494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33696000).

27871494 is an abundant number, since it is smaller than the sum of its proper divisors (39520506).

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

27871494 is a wasteful number, since it uses less digits than its factorization.

27871494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 508 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 27871494 is about 5279.3459822217. The cubic root of 27871494 is about 303.1936371868.

The spelling of 27871494 in words is "twenty-seven million, eight hundred seventy-one thousand, four hundred ninety-four".