2072785 has 24 divisors (see below), whose sum is σ = 2951424. Its totient is φ = 1385280.

The previous prime is 2072773. The next prime is 2072789. The reversal of 2072785 is 5872702.

It is not a de Polignac number, because 2072785 - 2¹¹ = 2070737 is a prime.

It is a Duffinian number.

2072785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2072789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9184 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (122976).

2^2072785 is an apocalyptic number.

It is an amenable number.

2072785 is a deficient number, since it is larger than the sum of its proper divisors (878639).

2072785 is a wasteful number, since it uses less digits than its factorization.

2072785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2072785 is about 1439.7169860775. The cubic root of 2072785 is about 127.5023195785.

It can be divided in two parts, 207 and 2785, that added together give a palindrome (2992).

The spelling of 2072785 in words is "two million, seventy-two thousand, seven hundred eighty-five".