2067678 has 24 divisors (see below), whose sum is σ = 4506528. Its totient is φ = 685152.

The previous prime is 2067661. The next prime is 2067679. The reversal of 2067678 is 8767602.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5451 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (187772).

2^2067678 is an apocalyptic number.

2067678 is an abundant number, since it is smaller than the sum of its proper divisors (2438850).

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

2067678 is a wasteful number, since it uses less digits than its factorization.

2067678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2067678 is about 1437.9422797873. The cubic root of 2067678 is about 127.3975185727.

Adding to 2067678 its product of nonzero digits (28224), we get a palindrome (2095902).

The spelling of 2067678 in words is "two million, sixty-seven thousand, six hundred seventy-eight".