82075812 has 48 divisors (see below), whose sum is σ = 235708032. Its totient is φ = 21646080.

The previous prime is 82075811. The next prime is 82075831. The reversal of 82075812 is 21857028.

It is not an unprimeable number, because it can be changed into a prime (82075811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36489 + ... + 38672.

It is an arithmetic number, because the mean of its divisors is an integer number (4910584).

Almost surely, 2^82075812 is an apocalyptic number.

It is an amenable number.

82075812 is an abundant number, since it is smaller than the sum of its proper divisors (153632220).

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

82075812 is a wasteful number, since it uses less digits than its factorization.

82075812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75188 (or 75186 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 82075812 is about 9059.5701884802. The cubic root of 82075812 is about 434.5819950726.

The spelling of 82075812 in words is "eighty-two million, seventy-five thousand, eight hundred twelve".