2688074 has 16 divisors (see below), whose sum is σ = 4303368. Its totient is φ = 1254912.

The previous prime is 2688073. The next prime is 2688137. The reversal of 2688074 is 4708862.

It can be written as a sum of positive squares in 4 ways, for example, as 2582449 + 105625 = 1607^2 + 325^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2688073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5654 + ... + 6110.

2^2688074 is an apocalyptic number.

2688074 is a deficient number, since it is larger than the sum of its proper divisors (1615294).

2688074 is a wasteful number, since it uses less digits than its factorization.

2688074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2688074 is about 1639.5346900874. The cubic root of 2688074 is about 139.0423417062.

The spelling of 2688074 in words is "two million, six hundred eighty-eight thousand, seventy-four".