73450 has 24 divisors (see below), whose sum is σ = 148428. Its totient is φ = 26880.
The previous prime is 73433. The next prime is 73453. The reversal of 73450 is 5437.
It can be written as a sum of positive squares in 6 ways, for example, as 1089 + 72361 = 33^2 + 269^2 .
It is not an unprimeable number, because it can be changed into a prime (73453) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594 + ... + 706.
273450 is an apocalyptic number.
73450 is an abundant number, since it is smaller than the sum of its proper divisors (74978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74214).
73450 is a wasteful number, since it uses less digits than its factorization.
73450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138 (or 133 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 19.
The square root of 73450 is about 271.0166046574. The cubic root of 73450 is about 41.8790929392.
Adding to 73450 its reverse (5437), we get a palindrome (78887).
It can be divided in two parts, 734 and 50, that added together give a square (784 = 282).
The spelling of 73450 in words is "seventy-three thousand, four hundred fifty".
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