4042726 has 8 divisors (see below), whose sum is σ = 6101784. Its totient is φ = 2008800.

The previous prime is 4042721. The next prime is 4042729. The reversal of 4042726 is 6272404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4042726² = 32687267022152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4042726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042721) 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, 5875 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (762723).

Almost surely, 2^4042726 is an apocalyptic number.

4042726 is a deficient number, since it is larger than the sum of its proper divisors (2059058).

4042726 is a wasteful number, since it uses less digits than its factorization.

4042726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12566.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4042726 is about 2010.6531277175. The cubic root of 4042726 is about 159.3032988250.

The spelling of 4042726 in words is "four million, forty-two thousand, seven hundred twenty-six".