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84073 = 117643

84073 has 4 divisors (see below), whose sum is σ = 91728. Its totient is φ = 76420.

The previous prime is 84067. The next prime is 84089. The reversal of 84073 is 37048.

Adding to 84073 its reverse (37048), we get a palindrome (121121).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84073 - 29 = 83561 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84053) 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 3 ways as a sum of consecutive naturals, for example, 3811 + ... + 3832.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

284073 is an apocalyptic number.

It is an amenable number.

84073 is a deficient number, since it is larger than the sum of its proper divisors (7655).

84073 is a wasteful number, since it uses less digits than its factorization.

84073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 84073 is about 289.9534445389. The cubic root of 84073 is about 43.8078744278.

The spelling of 84073 in words is "eighty-four thousand, seventy-three".

Divisors: 1 11 7643 84073