82499075 has 12 divisors (see below), whose sum is σ = 102545520. Its totient is φ = 65840160.

The previous prime is 82499047. The next prime is 82499077. The reversal of 82499075 is 57099428.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-82499075 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82499077) 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 11 ways as a sum of consecutive naturals, for example, 7217 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (8545460).

Almost surely, 2^82499075 is an apocalyptic number.

82499075 is a deficient number, since it is larger than the sum of its proper divisors (20046445).

82499075 is a wasteful number, since it uses less digits than its factorization.

82499075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966 (or 7961 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 82499075 is about 9082.9001425756. The cubic root of 82499075 is about 435.3277575640.

It can be divided in two parts, 824 and 99075, that added together give a palindrome (99899).

The spelling of 82499075 in words is "eighty-two million, four hundred ninety-nine thousand, seventy-five".