84062005 has 8 divisors (see below), whose sum is σ = 101294424. Its totient is φ = 66969600.

The previous prime is 84062003. The next prime is 84062009. The reversal of 84062005 is 50026048.

It can be written as a sum of positive squares in 4 ways, for example, as 26635921 + 57426084 = 5161^2 + 7578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84062005 - 2¹ = 84062003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84062003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33676 + ... + 36085.

It is an arithmetic number, because the mean of its divisors is an integer number (12661803).

Almost surely, 2^84062005 is an apocalyptic number.

It is an amenable number.

84062005 is a deficient number, since it is larger than the sum of its proper divisors (17232419).

84062005 is a wasteful number, since it uses less digits than its factorization.

84062005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70007.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 84062005 is about 9168.5334159832. The cubic root of 84062005 is about 438.0596462490.

The spelling of 84062005 in words is "eighty-four million, sixty-two thousand, five".