4724729 has 4 divisors (see below), whose sum is σ = 4930176. Its totient is φ = 4519284.

The previous prime is 4724723. The next prime is 4724747. The reversal of 4724729 is 9274274.

It is a happy number.

4724729 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4724729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4724723) 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, 102689 + ... + 102734.

It is an arithmetic number, because the mean of its divisors is an integer number (1232544).

Almost surely, 2^4724729 is an apocalyptic number.

It is an amenable number.

4724729 is a deficient number, since it is larger than the sum of its proper divisors (205447).

4724729 is a wasteful number, since it uses less digits than its factorization.

4724729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205446.

The product of its digits is 28224, while the sum is 35.

The square root of 4724729 is about 2173.6441751124. The cubic root of 4724729 is about 167.8001331588.

The spelling of 4724729 in words is "four million, seven hundred twenty-four thousand, seven hundred twenty-nine".