2042742 has 16 divisors (see below), whose sum is σ = 4399920. Its totient is φ = 628512.

The previous prime is 2042717. The next prime is 2042749. The reversal of 2042742 is 2472402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042749) 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, 13017 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (274995).

2^2042742 is an apocalyptic number.

2042742 is an abundant number, since it is smaller than the sum of its proper divisors (2357178).

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

2042742 is a wasteful number, since it uses less digits than its factorization.

2042742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26207.

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

The square root of 2042742 is about 1429.2452553708. The cubic root of 2042742 is about 126.8833119196.

The spelling of 2042742 in words is "two million, forty-two thousand, seven hundred forty-two".