74011 has 8 divisors (see below), whose sum is σ = 86240. Its totient is φ = 62208.
The previous prime is 73999. The next prime is 74017. The reversal of 74011 is 11047.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 8-Lehmer number, since φ(74011) divides (74011-1)8.
It is a cyclic number.
It is not a de Polignac number, because 74011 - 27 = 73883 is a prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 73982 and 74000.
It is not an unprimeable number, because it can be changed into a prime (74017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625 + ... + 733.
It is an arithmetic number, because the mean of its divisors is an integer number (10780).
274011 is an apocalyptic number.
74011 is a deficient number, since it is larger than the sum of its proper divisors (12229).
74011 is a wasteful number, since it uses less digits than its factorization.
74011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213.
The product of its (nonzero) digits is 28, while the sum is 13.
The square root of 74011 is about 272.0496278255. The cubic root of 74011 is about 41.9854446918.
Adding to 74011 its reverse (11047), we get a palindrome (85058).
The spelling of 74011 in words is "seventy-four thousand, eleven", and thus it is an iban number.
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