27498042 has 80 divisors (see below), whose sum is σ = 72448992. Its totient is φ = 7685280.

The previous prime is 27498017. The next prime is 27498047. The reversal of 27498042 is 24089472.

It is a super-2 number, since 2×27498042² = 1512284627667528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27497988 and 27498006.

It is not an unprimeable number, because it can be changed into a prime (27498047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22573 + ... + 23759.

Almost surely, 2^27498042 is an apocalyptic number.

27498042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27498042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36224496).

27498042 is an abundant number, since it is smaller than the sum of its proper divisors (44950950).

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

27498042 is a wasteful number, since it uses less digits than its factorization.

27498042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27498042 is about 5243.8575495526. The cubic root of 27498042 is about 301.8333729878.

The spelling of 27498042 in words is "twenty-seven million, four hundred ninety-eight thousand, forty-two".