82002070 has 16 divisors (see below), whose sum is σ = 148732848. Its totient is φ = 32549920.

The previous prime is 82002059. The next prime is 82002073. The reversal of 82002070 is 7020028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82002073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29989 + ... + 32608.

It is an arithmetic number, because the mean of its divisors is an integer number (9295803).

Almost surely, 2^82002070 is an apocalyptic number.

82002070 is a deficient number, since it is larger than the sum of its proper divisors (66730778).

82002070 is a wasteful number, since it uses less digits than its factorization.

82002070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62735.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 82002070 is about 9055.4994340456. The cubic root of 82002070 is about 434.4518042683.

Adding to 82002070 its reverse (7020028), we get a palindrome (89022098).

The spelling of 82002070 in words is "eighty-two million, two thousand, seventy".