2820075 has 24 divisors (see below), whose sum is σ = 4910400. Its totient is φ = 1424160.

The previous prime is 2820071. The next prime is 2820089. The reversal of 2820075 is 5700282.

It is not a de Polignac number, because 2820075 - 2² = 2820071 is a prime.

2820075 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2820071) 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 23 ways as a sum of consecutive naturals, for example, 436 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (204600).

2^2820075 is an apocalyptic number.

2820075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820075 is a deficient number, since it is larger than the sum of its proper divisors (2090325).

2820075 is a wasteful number, since it uses less digits than its factorization.

2820075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2820075 is about 1679.3078931512. The cubic root of 2820075 is about 141.2820169154.

The spelling of 2820075 in words is "two million, eight hundred twenty thousand, seventy-five".