2743681 has 8 divisors (see below), whose sum is σ = 2921184. Its totient is φ = 2568000.

The previous prime is 2743673. The next prime is 2743691. The reversal of 2743681 is 1863472.

2743681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2743681 - 2³ = 2743673 is a prime.

It is a super-2 number, since 2×2743681² = 15055570859522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2743621) 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 7 ways as a sum of consecutive naturals, for example, 3946 + ... + 4588.

It is an arithmetic number, because the mean of its divisors is an integer number (365148).

2^2743681 is an apocalyptic number.

It is an amenable number.

2743681 is a deficient number, since it is larger than the sum of its proper divisors (177503).

2743681 is a wasteful number, since it uses less digits than its factorization.

2743681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its digits is 8064, while the sum is 31.

The square root of 2743681 is about 1656.4060492524. The cubic root of 2743681 is about 139.9945746197.

The spelling of 2743681 in words is "two million, seven hundred forty-three thousand, six hundred eighty-one".