4042768 has 20 divisors (see below), whose sum is σ = 8045740. Its totient is φ = 1966464.

The previous prime is 4042757. The next prime is 4042769. The reversal of 4042768 is 8672404.

It can be written as a sum of positive squares in 2 ways, for example, as 2985984 + 1056784 = 1728^2 + 1028^2 .

It is not an unprimeable number, because it can be changed into a prime (4042769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (402287).

Almost surely, 2^4042768 is an apocalyptic number.

It is an amenable number.

4042768 is a deficient number, since it is larger than the sum of its proper divisors (4002972).

4042768 is a wasteful number, since it uses less digits than its factorization.

4042768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874 (or 6868 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 4042768 is about 2010.6635720577. The cubic root of 4042768 is about 159.3038504920.

The spelling of 4042768 in words is "four million, forty-two thousand, seven hundred sixty-eight".