82745250 has 64 divisors (see below), whose sum is σ = 236051712. Its totient is φ = 18912000.

The previous prime is 82745249. The next prime is 82745269. The reversal of 82745250 is 5254728.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2631 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (3688308).

Almost surely, 2^82745250 is an apocalyptic number.

82745250 is an abundant number, since it is smaller than the sum of its proper divisors (153306462).

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

82745250 is a wasteful number, since it uses less digits than its factorization.

82745250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15788 (or 15778 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 82745250 is about 9096.4416119711. The cubic root of 82745250 is about 435.7603296576.

Adding to 82745250 its reverse (5254728), we get a palindrome (87999978).

The spelling of 82745250 in words is "eighty-two million, seven hundred forty-five thousand, two hundred fifty".