82067305 has 4 divisors (see below), whose sum is σ = 98480772. Its totient is φ = 65653840.

The previous prime is 82067269. The next prime is 82067317. The reversal of 82067305 is 50376028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27499536 + 54567769 = 5244^2 + 7387^2 .

It is not a de Polignac number, because 82067305 - 2¹¹ = 82065257 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206726 + ... + 8206735.

It is an arithmetic number, because the mean of its divisors is an integer number (24620193).

Almost surely, 2^82067305 is an apocalyptic number.

It is an amenable number.

82067305 is a deficient number, since it is larger than the sum of its proper divisors (16413467).

82067305 is a wasteful number, since it uses less digits than its factorization.

82067305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413466.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 82067305 is about 9059.1006728041. The cubic root of 82067305 is about 434.5669800246.

The spelling of 82067305 in words is "eighty-two million, sixty-seven thousand, three hundred five".