4004729 has 8 divisors (see below), whose sum is σ = 4126080. Its totient is φ = 3884976.

The previous prime is 4004717. The next prime is 4004731. The reversal of 4004729 is 9274004.

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

It is a cyclic number.

It is not a de Polignac number, because 4004729 - 2⁴ = 4004713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4004698 and 4004707.

It is not an unprimeable number, because it can be changed into a prime (4004779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6227 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (515760).

Almost surely, 2^4004729 is an apocalyptic number.

It is an amenable number.

4004729 is a deficient number, since it is larger than the sum of its proper divisors (121351).

4004729 is a wasteful number, since it uses less digits than its factorization.

4004729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4004729 is about 2001.1819007776. The cubic root of 4004729 is about 158.8026373902.

The spelling of 4004729 in words is "four million, four thousand, seven hundred twenty-nine".