83207071 has 4 divisors (see below), whose sum is σ = 83227144. Its totient is φ = 83187000.

The previous prime is 83207063. The next prime is 83207093. The reversal of 83207071 is 17070238.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17070238 = 2 ⋅8535119.

It is a cyclic number.

It is not a de Polignac number, because 83207071 - 2³ = 83207063 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 (83207771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (20806786).

Almost surely, 2^83207071 is an apocalyptic number.

83207071 is a deficient number, since it is larger than the sum of its proper divisors (20073).

83207071 is a wasteful number, since it uses less digits than its factorization.

83207071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 83207071 is about 9121.7909973864. The cubic root of 83207071 is about 436.5695202444.

The spelling of 83207071 in words is "eighty-three million, two hundred seven thousand, seventy-one".