4927729 has 4 divisors (see below), whose sum is σ = 5086720. Its totient is φ = 4768740.

The previous prime is 4927723. The next prime is 4927733. The reversal of 4927729 is 9277294.

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 not a de Polignac number, because 4927729 - 2³ = 4927721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4927691 and 4927700.

It is not an unprimeable number, because it can be changed into a prime (4927721) 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 3 ways as a sum of consecutive naturals, for example, 79449 + ... + 79510.

It is an arithmetic number, because the mean of its divisors is an integer number (1271680).

Almost surely, 2^4927729 is an apocalyptic number.

It is an amenable number.

4927729 is a deficient number, since it is larger than the sum of its proper divisors (158991).

4927729 is a wasteful number, since it uses less digits than its factorization.

4927729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158990.

The product of its digits is 63504, while the sum is 40.

The square root of 4927729 is about 2219.8488687296. The cubic root of 4927729 is about 170.1697151725.

The spelling of 4927729 in words is "four million, nine hundred twenty-seven thousand, seven hundred twenty-nine".