4878745 has 8 divisors (see below), whose sum is σ = 6198984. Its totient is φ = 3673344.

The previous prime is 4878721. The next prime is 4878767. The reversal of 4878745 is 5478784.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 4721929 = 396^2 + 2173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4878745 - 2⁷ = 4878617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28614 + ... + 28783.

It is an arithmetic number, because the mean of its divisors is an integer number (774873).

Almost surely, 2^4878745 is an apocalyptic number.

It is an amenable number.

4878745 is a deficient number, since it is larger than the sum of its proper divisors (1320239).

4878745 is a wasteful number, since it uses less digits than its factorization.

4878745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57419.

The product of its digits is 250880, while the sum is 43.

The square root of 4878745 is about 2208.7881292691. The cubic root of 4878745 is about 169.6039801375.

The spelling of 4878745 in words is "four million, eight hundred seventy-eight thousand, seven hundred forty-five".