Subtracting 7458 from its reverse (8547), we obtain a square (1089 = 332).
7458 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.
It is an alternating number because its digits alternate between odd and even.
7458 is an undulating number in base 15.
It is a nialpdrome in base 6.
27458 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7458 is a wasteful number, since it uses less digits than its factorization.
7458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129.
The square root of 7458 is about 86.3597128295. The cubic root of 7458 is about 19.5377310225.
The spelling of 7458 in words is "seven thousand, four hundred fifty-eight".