82075147 has 36 divisors (see below), whose sum is σ = 106740480. Its totient is φ = 62868960.

The previous prime is 82075121. The next prime is 82075151. The reversal of 82075147 is 74157028.

It is a happy number.

It is not a de Polignac number, because 82075147 - 2¹¹ = 82073099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82070147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 646198 + ... + 646324.

Almost surely, 2^82075147 is an apocalyptic number.

82075147 is a deficient number, since it is larger than the sum of its proper divisors (24665333).

82075147 is a wasteful number, since it uses less digits than its factorization.

82075147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 82075147 is about 9059.5334868855. The cubic root of 82075147 is about 434.5808213699.

The spelling of 82075147 in words is "eighty-two million, seventy-five thousand, one hundred forty-seven".