2743643 has 8 divisors (see below), whose sum is σ = 3155712. Its totient is φ = 2336616.

The previous prime is 2743627. The next prime is 2743669. The reversal of 2743643 is 3463472.

It is a happy number.

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 2743643 - 2⁴ = 2743627 is a prime.

It is a super-2 number, since 2×2743643² = 15055153822898, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2³ + 7² + 4³ + 3¹² + 6⁸ + 4⁵ + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (2743673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 2342.

It is an arithmetic number, because the mean of its divisors is an integer number (394464).

2^2743643 is an apocalyptic number.

2743643 is a deficient number, since it is larger than the sum of its proper divisors (412069).

2743643 is a wasteful number, since it uses less digits than its factorization.

2743643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its digits is 12096, while the sum is 29.

The square root of 2743643 is about 1656.3945785953. The cubic root of 2743643 is about 139.9939283081.

The spelling of 2743643 in words is "two million, seven hundred forty-three thousand, six hundred forty-three".