2703681 has 24 divisors (see below), whose sum is σ = 4178720. Its totient is φ = 1679616.

The previous prime is 2703677. The next prime is 2703683. The reversal of 2703681 is 1863072.

It is not a de Polignac number, because 2703681 - 2² = 2703677 is a prime.

It is a super-2 number, since 2×2703681² = 14619781899522, which contains 22 as substring.

It is a Duffinian number.

2703681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2703683) 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 23 ways as a sum of consecutive naturals, for example, 16506 + ... + 16668.

2^2703681 is an apocalyptic number.

It is an amenable number.

2703681 is a deficient number, since it is larger than the sum of its proper divisors (1475039).

2703681 is a wasteful number, since it uses less digits than its factorization.

2703681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2703681 is about 1644.2873836407. The cubic root of 2703681 is about 139.3109166005.

The spelling of 2703681 in words is "two million, seven hundred three thousand, six hundred eighty-one".