74413 has 2 divisors, whose sum is σ = 74414. Its totient is φ = 74412.
The previous prime is 74411. The next prime is 74419. The reversal of 74413 is 31447.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 64009 + 10404 = 253^2 + 102^2 .
It is a cyclic number.
It is not a de Polignac number, because 74413 - 21 = 74411 is a prime.
Together with 74411, it forms a pair of twin primes.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37206 + 37207.
It is an arithmetic number, because the mean of its divisors is an integer number (37207).
274413 is an apocalyptic number.
It is an amenable number.
74413 is a deficient number, since it is larger than the sum of its proper divisors (1).
74413 is an equidigital number, since it uses as much as digits as its factorization.
74413 is an evil number, because the sum of its binary digits is even.
The product of its digits is 336, while the sum is 19.
The square root of 74413 is about 272.7874630550. The cubic root of 74413 is about 42.0613238722.
It can be divided in two parts, 744 and 13, that added together give a palindrome (757).
The spelling of 74413 in words is "seventy-four thousand, four hundred thirteen".
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