82716001 has 4 divisors (see below), whose sum is σ = 82736404. Its totient is φ = 82695600.

The previous prime is 82715993. The next prime is 82716017. The reversal of 82716001 is 10061728.

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 31091776 + 51624225 = 5576^2 + 7185^2 .

It is a cyclic number.

It is not a de Polignac number, because 82716001 - 2³ = 82715993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82716031) 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 3 ways as a sum of consecutive naturals, for example, 1830 + ... + 12991.

It is an arithmetic number, because the mean of its divisors is an integer number (20684101).

Almost surely, 2^82716001 is an apocalyptic number.

It is an amenable number.

82716001 is a deficient number, since it is larger than the sum of its proper divisors (20403).

82716001 is a wasteful number, since it uses less digits than its factorization.

82716001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20402.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 82716001 is about 9094.8337532909. The cubic root of 82716001 is about 435.7089790526.

Adding to 82716001 its reverse (10061728), we get a palindrome (92777729).

The spelling of 82716001 in words is "eighty-two million, seven hundred sixteen thousand, one".