2942742 has 16 divisors (see below), whose sum is σ = 6420672. Its totient is φ = 891720.

The previous prime is 2942741. The next prime is 2942749. The reversal of 2942742 is 2472492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942741) 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, 22228 + ... + 22359.

It is an arithmetic number, because the mean of its divisors is an integer number (401292).

2^2942742 is an apocalyptic number.

2942742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2942742 is an abundant number, since it is smaller than the sum of its proper divisors (3477930).

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

2942742 is a wasteful number, since it uses less digits than its factorization.

2942742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44603.

The product of its digits is 8064, while the sum is 30.

The square root of 2942742 is about 1715.4422170391. The cubic root of 2942742 is about 143.3014976468.

The spelling of 2942742 in words is "two million, nine hundred forty-two thousand, seven hundred forty-two".