4673729 has 4 divisors (see below), whose sum is σ = 4800084. Its totient is φ = 4547376.

The previous prime is 4673723. The next prime is 4673731. The reversal of 4673729 is 9273764.

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 2265025 + 2408704 = 1505^2 + 1552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4673729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4673692 and 4673701.

It is not an unprimeable number, because it can be changed into a prime (4673723) 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, 63122 + ... + 63195.

It is an arithmetic number, because the mean of its divisors is an integer number (1200021).

Almost surely, 2^4673729 is an apocalyptic number.

It is an amenable number.

4673729 is a deficient number, since it is larger than the sum of its proper divisors (126355).

4673729 is a wasteful number, since it uses less digits than its factorization.

4673729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126354.

The product of its digits is 63504, while the sum is 38.

The square root of 4673729 is about 2161.8808940365. The cubic root of 4673729 is about 167.1941876790.

The spelling of 4673729 in words is "four million, six hundred seventy-three thousand, seven hundred twenty-nine".