3021742 has 16 divisors (see below), whose sum is σ = 4782240. Its totient is φ = 1429792.

The previous prime is 3021737. The next prime is 3021751. The reversal of 3021742 is 2471203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583 + ... + 3565.

It is an arithmetic number, because the mean of its divisors is an integer number (298890).

Almost surely, 2^3021742 is an apocalyptic number.

3021742 is a deficient number, since it is larger than the sum of its proper divisors (1760498).

3021742 is a wasteful number, since it uses less digits than its factorization.

3021742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3021742 is about 1738.3158516219. The cubic root of 3021742 is about 144.5725341553.

Adding to 3021742 its reverse (2471203), we get a palindrome (5492945).

The spelling of 3021742 in words is "three million, twenty-one thousand, seven hundred forty-two".