It is a happy number.
It is a congruent number.
Almost surely, 227490104 is an apocalyptic number.
27490104 is a gapful number since it is divisible by the number (24) 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 27490104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39312000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27490104 is a wasteful number, since it uses less digits than its factorization.
27490104 is an evil number, because the sum of its binary digits is even.
The square root of 27490104 is about 5243.1006093723. The cubic root of 27490104 is about 301.8043262663.
Adding to 27490104 its reverse (40109472), we get a palindrome (67599576).
The spelling of 27490104 in words is "twenty-seven million, four hundred ninety thousand, one hundred four".