4018730 has 16 divisors (see below), whose sum is σ = 7326720. Its totient is φ = 1586832.

The previous prime is 4018717. The next prime is 4018739. The reversal of 4018730 is 378104.

It is a happy number.

4018730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4018696 and 4018705.

It is not an unprimeable number, because it can be changed into a prime (4018739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (457920).

Almost surely, 2^4018730 is an apocalyptic number.

4018730 is a deficient number, since it is larger than the sum of its proper divisors (3307990).

4018730 is a wasteful number, since it uses less digits than its factorization.

4018730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 4018730 is about 2004.6770313445. The cubic root of 4018730 is about 158.9874863245.

The spelling of 4018730 in words is "four million, eighteen thousand, seven hundred thirty".