74488 has 8 divisors (see below), whose sum is σ = 139680. Its totient is φ = 37240.
The previous prime is 74471. The next prime is 74489. The reversal of 74488 is 88447.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4648 + ... + 4663.
It is an arithmetic number, because the mean of its divisors is an integer number (17460).
274488 is an apocalyptic number.
It is an amenable number.
74488 is a deficient number, since it is larger than the sum of its proper divisors (65192).
74488 is a wasteful number, since it uses less digits than its factorization.
74488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9317 (or 9313 counting only the distinct ones).
The product of its digits is 7168, while the sum is 31.
The square root of 74488 is about 272.9248980947. The cubic root of 74488 is about 42.0754501676.
The spelling of 74488 in words is "seventy-four thousand, four hundred eighty-eight".
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