2075778 has 12 divisors (see below), whose sum is σ = 4497558. Its totient is φ = 691920.

The previous prime is 2075771. The next prime is 2075779. The reversal of 2075778 is 8775702.

It can be written as a sum of positive squares in only one way, i.e., 1159929 + 915849 = 1077^2 + 957^2 .

It is not an unprimeable number, because it can be changed into a prime (2075771) 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 5 ways as a sum of consecutive naturals, for example, 57643 + ... + 57678.

2^2075778 is an apocalyptic number.

2075778 is an abundant number, since it is smaller than the sum of its proper divisors (2421780).

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

2075778 is a wasteful number, since it uses less digits than its factorization.

2075778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115329 (or 115326 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 2075778 is about 1440.7560515229. The cubic root of 2075778 is about 127.5636590987.

The spelling of 2075778 in words is "two million, seventy-five thousand, seven hundred seventy-eight".