4878743 has 4 divisors (see below), whose sum is σ = 4895688. Its totient is φ = 4861800.

The previous prime is 4878721. The next prime is 4878767. The reversal of 4878743 is 3478784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4878743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4878743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878793) 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, 8033 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (1223922).

Almost surely, 2^4878743 is an apocalyptic number.

4878743 is a deficient number, since it is larger than the sum of its proper divisors (16945).

4878743 is a wasteful number, since it uses less digits than its factorization.

4878743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its digits is 150528, while the sum is 41.

The square root of 4878743 is about 2208.7876765321. The cubic root of 4878743 is about 169.6039569616.

Adding to 4878743 its sum of digits (41), we get a palindrome (4878784).

The spelling of 4878743 in words is "four million, eight hundred seventy-eight thousand, seven hundred forty-three".