4729009 has 4 divisors (see below), whose sum is σ = 5007204. Its totient is φ = 4450816.

The previous prime is 4728989. The next prime is 4729033. The reversal of 4729009 is 9009274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 2712609 = 1420^2 + 1647^2 .

It is a cyclic number.

It is not a de Polignac number, because 4729009 - 2⁹ = 4728497 is a prime.

It is a super-2 number, since 2×4729009² = 44727052244162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4729069) 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, 139072 + ... + 139105.

It is an arithmetic number, because the mean of its divisors is an integer number (1251801).

Almost surely, 2^4729009 is an apocalyptic number.

It is an amenable number.

4729009 is a deficient number, since it is larger than the sum of its proper divisors (278195).

4729009 is a wasteful number, since it uses less digits than its factorization.

4729009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278194.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 4729009 is about 2174.6284740157. The cubic root of 4729009 is about 167.8507863509.

The spelling of 4729009 in words is "four million, seven hundred twenty-nine thousand, nine".