4728665 has 4 divisors (see below), whose sum is σ = 5674404. Its totient is φ = 3782928.

The previous prime is 4728649. The next prime is 4728677. The reversal of 4728665 is 5668274.

It is a happy number.

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 534361 + 4194304 = 731^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 4728665 - 2⁴ = 4728649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472862 + ... + 472871.

It is an arithmetic number, because the mean of its divisors is an integer number (1418601).

Almost surely, 2^4728665 is an apocalyptic number.

It is an amenable number.

4728665 is a deficient number, since it is larger than the sum of its proper divisors (945739).

4728665 is an equidigital number, since it uses as much as digits as its factorization.

4728665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945738.

The product of its digits is 80640, while the sum is 38.

The square root of 4728665 is about 2174.5493786070. The cubic root of 4728665 is about 167.8467162896.

The spelling of 4728665 in words is "four million, seven hundred twenty-eight thousand, six hundred sixty-five".