Subtracting 7473648 from its reverse (8463747), we obtain a palindrome (990099).
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
Almost surely, 27473648 is an apocalyptic number.
7473648 is a gapful number since it is divisible by the number (78) 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 7473648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7473648 is a wasteful number, since it uses less digits than its factorization.
7473648 is an evil number, because the sum of its binary digits is even.
The square root of 7473648 is about 2733.7973589862. The cubic root of 7473648 is about 195.5138583810.
The spelling of 7473648 in words is "seven million, four hundred seventy-three thousand, six hundred forty-eight".