82152670 has 16 divisors (see below), whose sum is σ = 156573648. Its totient is φ = 30928000.

The previous prime is 82152659. The next prime is 82152671. The reversal of 82152670 is 7625128.

It is a super-2 number, since 2×82152670² = 13498122376257800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82152671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241456 + ... + 241795.

It is an arithmetic number, because the mean of its divisors is an integer number (9785853).

Almost surely, 2^82152670 is an apocalyptic number.

82152670 is a deficient number, since it is larger than the sum of its proper divisors (74420978).

82152670 is a wasteful number, since it uses less digits than its factorization.

82152670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483275.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 82152670 is about 9063.8110086210. The cubic root of 82152670 is about 434.7176041787.

Adding to 82152670 its reverse (7625128), we get a palindrome (89777798).

The spelling of 82152670 in words is "eighty-two million, one hundred fifty-two thousand, six hundred seventy".