2747143 has 16 divisors (see below), whose sum is σ = 3326976. Its totient is φ = 2217600.

The previous prime is 2747131. The next prime is 2747161. The reversal of 2747143 is 3417472.

2747143 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2747143 - 2⁵ = 2747111 is a prime.

It is a Duffinian number.

Its product of digits (4704) is a multiple of the sum of its prime divisors (294).

2747143 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18118 + ... + 18268.

It is an arithmetic number, because the mean of its divisors is an integer number (207936).

2^2747143 is an apocalyptic number.

2747143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2747143 is a deficient number, since it is larger than the sum of its proper divisors (579833).

2747143 is a wasteful number, since it uses less digits than its factorization.

2747143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 4704, while the sum is 28.

The square root of 2747143 is about 1657.4507534162. The cubic root of 2747143 is about 140.0534319857.

The spelling of 2747143 in words is "two million, seven hundred forty-seven thousand, one hundred forty-three".