4973729 has 4 divisors (see below), whose sum is σ = 4984980. Its totient is φ = 4962480.

The previous prime is 4973719. The next prime is 4973743. The reversal of 4973729 is 9273794.

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 1918225 + 3055504 = 1385^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 4973729 - 2¹⁶ = 4908193 is a prime.

It is a d-powerful number, because it can be written as 4 + 9⁵ + 7² + 3⁵ + 7³ + 2¹⁷ + 9⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4973719) 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, 4934 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (1246245).

Almost surely, 2^4973729 is an apocalyptic number.

It is an amenable number.

4973729 is a deficient number, since it is larger than the sum of its proper divisors (11251).

4973729 is a wasteful number, since it uses less digits than its factorization.

4973729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250.

The product of its digits is 95256, while the sum is 41.

The square root of 4973729 is about 2230.1858666936. The cubic root of 4973729 is about 170.6975834256.

The spelling of 4973729 in words is "four million, nine hundred seventy-three thousand, seven hundred twenty-nine".