4068729 has 48 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 2096640.

The previous prime is 4068707. The next prime is 4068731. The reversal of 4068729 is 9278604.

It is not a de Polignac number, because 4068729 - 2⁵ = 4068697 is a prime.

4068729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4068693 and 4068702.

It is not an unprimeable number, because it can be changed into a prime (4068739) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 30994 + ... + 31124.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

Almost surely, 2^4068729 is an apocalyptic number.

It is an amenable number.

4068729 is a deficient number, since it is larger than the sum of its proper divisors (3344391).

4068729 is a wasteful number, since it uses less digits than its factorization.

4068729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4068729 is about 2017.1090699315. The cubic root of 4068729 is about 159.6441178655.

The spelling of 4068729 in words is "four million, sixty-eight thousand, seven hundred twenty-nine".