27955242 has 96 divisors (see below), whose sum is σ = 75838464. Its totient is φ = 7257600.

The previous prime is 27955241. The next prime is 27955307. The reversal of 27955242 is 24255972.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27955197 and 27955206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27955241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66192 + ... + 66612.

It is an arithmetic number, because the mean of its divisors is an integer number (789984).

Almost surely, 2^27955242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27955242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37919232).

27955242 is an abundant number, since it is smaller than the sum of its proper divisors (47883222).

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

27955242 is a wasteful number, since it uses less digits than its factorization.

27955242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 27955242 is about 5287.2716971988. The cubic root of 27955242 is about 303.4970113163.

The spelling of 27955242 in words is "twenty-seven million, nine hundred fifty-five thousand, two hundred forty-two".