2740242 has 16 divisors (see below), whose sum is σ = 5571072. Its totient is φ = 898320.

The previous prime is 2740223. The next prime is 2740249. The reversal of 2740242 is 2420472.

It is not an unprimeable number, because it can be changed into a prime (2740249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (348192).

2^2740242 is an apocalyptic number.

2740242 is an abundant number, since it is smaller than the sum of its proper divisors (2830830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740242 is a wasteful number, since it uses less digits than its factorization.

2740242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2740242 is about 1655.3676328840. The cubic root of 2740242 is about 139.9360592368.

The spelling of 2740242 in words is "two million, seven hundred forty thousand, two hundred forty-two".