2742203 has 4 divisors (see below), whose sum is σ = 2809128. Its totient is φ = 2675280.

The previous prime is 2742199. The next prime is 2742209. The reversal of 2742203 is 3022472.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2742203 - 2² = 2742199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742209) 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, 33401 + ... + 33482.

It is an arithmetic number, because the mean of its divisors is an integer number (702282).

2^2742203 is an apocalyptic number.

2742203 is a deficient number, since it is larger than the sum of its proper divisors (66925).

2742203 is an equidigital number, since it uses as much as digits as its factorization.

2742203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66924.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2742203 is about 1655.9598425083. The cubic root of 2742203 is about 139.9694321017.

Adding to 2742203 its reverse (3022472), we get a palindrome (5764675).

The spelling of 2742203 in words is "two million, seven hundred forty-two thousand, two hundred three".