2662743 has 4 divisors (see below), whose sum is σ = 3550328. Its totient is φ = 1775160.

The previous prime is 2662721. The next prime is 2662753. The reversal of 2662743 is 3472662.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2662743 - 2⁸ = 2662487 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2662743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443788 + ... + 443793.

It is an arithmetic number, because the mean of its divisors is an integer number (887582).

2^2662743 is an apocalyptic number.

2662743 is a deficient number, since it is larger than the sum of its proper divisors (887585).

2662743 is an equidigital number, since it uses as much as digits as its factorization.

2662743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887584.

The product of its digits is 12096, while the sum is 30.

The square root of 2662743 is about 1631.7913469559. The cubic root of 2662743 is about 138.6042085223.

The spelling of 2662743 in words is "two million, six hundred sixty-two thousand, seven hundred forty-three".