2066769 has 16 divisors (see below), whose sum is σ = 3138240. Its totient is φ = 1343520.

The previous prime is 2066767. The next prime is 2066777. The reversal of 2066769 is 9676602.

It is not a de Polignac number, because 2066769 - 2¹ = 2066767 is a prime.

It is a super-2 number, since 2×2066769² = 8543068198722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

2066769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2066761) 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 15 ways as a sum of consecutive naturals, for example, 174 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (196140).

2^2066769 is an apocalyptic number.

It is an amenable number.

2066769 is a deficient number, since it is larger than the sum of its proper divisors (1071471).

2066769 is a wasteful number, since it uses less digits than its factorization.

2066769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2066769 is about 1437.6261683762. The cubic root of 2066769 is about 127.3788468519.

It can be divided in two parts, 20667 and 69, that added together give a 4-th power (20736 = 12⁴).

The spelling of 2066769 in words is "two million, sixty-six thousand, seven hundred sixty-nine".