73144 has 16 divisors (see below), whose sum is σ = 141120. Its totient is φ = 35520.
The previous prime is 73141. The next prime is 73181. The reversal of 73144 is 44137.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217 + ... + 439.
It is an arithmetic number, because the mean of its divisors is an integer number (8820).
273144 is an apocalyptic number.
It is an amenable number.
73144 is a deficient number, since it is larger than the sum of its proper divisors (67976).
73144 is a wasteful number, since it uses less digits than its factorization.
73144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270 (or 266 counting only the distinct ones).
The product of its digits is 336, while the sum is 19.
The square root of 73144 is about 270.4514743905. The cubic root of 73144 is about 41.8208545007.
The spelling of 73144 in words is "seventy-three thousand, one hundred forty-four", and thus it is an iban number.
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