4978743 has 24 divisors (see below), whose sum is σ = 8426880. Its totient is φ = 2585520.

The previous prime is 4978723. The next prime is 4978751. The reversal of 4978743 is 3478794.

4978743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4978743 - 2⁸ = 4978487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4978695 and 4978704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^4978743 is an apocalyptic number.

4978743 is a deficient number, since it is larger than the sum of its proper divisors (3448137).

4978743 is a wasteful number, since it uses less digits than its factorization.

4978743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3100 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 4978743 is about 2231.3097050835. The cubic root of 4978743 is about 170.7549240541.

The spelling of 4978743 in words is "four million, nine hundred seventy-eight thousand, seven hundred forty-three".