4780003 has 4 divisors (see below), whose sum is σ = 4861080. Its totient is φ = 4698928.

The previous prime is 4779997. The next prime is 4780007. The reversal of 4780003 is 3000874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4780003 - 2⁹ = 4779491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4780007) 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, 40450 + ... + 40567.

It is an arithmetic number, because the mean of its divisors is an integer number (1215270).

Almost surely, 2^4780003 is an apocalyptic number.

4780003 is a deficient number, since it is larger than the sum of its proper divisors (81077).

4780003 is an equidigital number, since it uses as much as digits as its factorization.

4780003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81076.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4780003 is about 2186.3217969915. The cubic root of 4780003 is about 168.4519552961.

Adding to 4780003 its reverse (3000874), we get a palindrome (7780877).

The spelling of 4780003 in words is "four million, seven hundred eighty thousand, three".