82066270 has 32 divisors (see below), whose sum is σ = 173547360. Its totient is φ = 27546240.

The previous prime is 82066261. The next prime is 82066307. The reversal of 82066270 is 7266028.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27265 + ... + 30124.

It is an arithmetic number, because the mean of its divisors is an integer number (5423355).

Almost surely, 2^82066270 is an apocalyptic number.

82066270 is an abundant number, since it is smaller than the sum of its proper divisors (91481090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82066270 is a wasteful number, since it uses less digits than its factorization.

82066270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57420.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 82066270 is about 9059.0435477483. The cubic root of 82066270 is about 434.5651531553.

The spelling of 82066270 in words is "eighty-two million, sixty-six thousand, two hundred seventy".