74940 has 24 divisors (see below), whose sum is σ = 210000. Its totient is φ = 19968.
The previous prime is 74933. The next prime is 74941. The reversal of 74940 is 4947.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 74940.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74941) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565 + ... + 684.
It is an arithmetic number, because the mean of its divisors is an integer number (8750).
274940 is an apocalyptic number.
It is an amenable number.
74940 is an abundant number, since it is smaller than the sum of its proper divisors (135060).
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 (105000).
74940 is a wasteful number, since it uses less digits than its factorization.
74940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1261 (or 1259 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 74940 is about 273.7517123234. The cubic root of 74940 is about 42.1603844960.
The spelling of 74940 in words is "seventy-four thousand, nine hundred forty".
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