2742003 has 12 divisors (see below), whose sum is σ = 4320888. Its totient is φ = 1661760.

The previous prime is 2741993. The next prime is 2742007. The reversal of 2742003 is 3002472.

It is a happy number.

It is not a de Polignac number, because 2742003 - 2⁵ = 2741971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2742007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13750 + ... + 13947.

It is an arithmetic number, because the mean of its divisors is an integer number (360074).

2^2742003 is an apocalyptic number.

2742003 is a deficient number, since it is larger than the sum of its proper divisors (1578885).

2742003 is a wasteful number, since it uses less digits than its factorization.

2742003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27714 (or 27711 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2742003 is about 1655.8994534693. The cubic root of 2742003 is about 139.9660291727.

Adding to 2742003 its reverse (3002472), we get a palindrome (5744475).

The spelling of 2742003 in words is "two million, seven hundred forty-two thousand, three".