2742903 has 10 divisors (see below), whose sum is σ = 4097544. Its totient is φ = 1828548.

The previous prime is 2742893. The next prime is 2742917. The reversal of 2742903 is 3092472.

It is not a de Polignac number, because 2742903 - 2⁵ = 2742871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742953) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16851 + ... + 17012.

2^2742903 is an apocalyptic number.

2742903 is a deficient number, since it is larger than the sum of its proper divisors (1354641).

2742903 is an equidigital number, since it uses as much as digits as its factorization.

2742903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33875 (or 33866 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2742903 is about 1656.1711868041. The cubic root of 2742903 is about 139.9813410507.

The spelling of 2742903 in words is "two million, seven hundred forty-two thousand, nine hundred three".