73340 has 24 divisors (see below), whose sum is σ = 162960. Its totient is φ = 27648.

The previous prime is 73331. The next prime is 73351. The reversal of 73340 is 4337.

It is a congruent number.

It is an unprimeable number.

73340 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (6790).

2⁷³³⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81480).

73340 is an abundant number, since it is smaller than the sum of its proper divisors (89620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73340 is a wasteful number, since it uses less digits than its factorization.

73340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 73340 is about 270.8135890239. The cubic root of 73340 is about 41.8581762075.

Adding to 73340 its reverse (4337), we get a palindrome (77677).

The spelling of 73340 in words is "seventy-three thousand, three hundred forty", and thus it is an iban number.