4787745 has 8 divisors (see below), whose sum is σ = 7660416. Its totient is φ = 2553456.

The previous prime is 4787737. The next prime is 4787747. The reversal of 4787745 is 5477874.

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

It is not a de Polignac number, because 4787745 - 2³ = 4787737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4787697 and 4787706.

It is not an unprimeable number, because it can be changed into a prime (4787747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159577 + ... + 159606.

It is an arithmetic number, because the mean of its divisors is an integer number (957552).

Almost surely, 2^4787745 is an apocalyptic number.

It is an amenable number.

4787745 is a deficient number, since it is larger than the sum of its proper divisors (2872671).

4787745 is a wasteful number, since it uses less digits than its factorization.

4787745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319191.

The product of its digits is 219520, while the sum is 42.

The square root of 4787745 is about 2188.0916342786. The cubic root of 4787745 is about 168.5428514436.

The spelling of 4787745 in words is "four million, seven hundred eighty-seven thousand, seven hundred forty-five".