4975785 has 12 divisors (see below), whose sum is σ = 8624772. Its totient is φ = 2653728.

The previous prime is 4975769. The next prime is 4975787. The reversal of 4975785 is 5875794.

It can be written as a sum of positive squares in 2 ways, for example, as 2832489 + 2143296 = 1683^2 + 1464^2 .

It is not a de Polignac number, because 4975785 - 2⁴ = 4975769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 110573 = 4975785 / (4 + 9 + 7 + 5 + 7 + 8 + 5).

4975785 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4975785.

It is not an unprimeable number, because it can be changed into a prime (4975787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55242 + ... + 55331.

It is an arithmetic number, because the mean of its divisors is an integer number (718731).

Almost surely, 2^4975785 is an apocalyptic number.

4975785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4975785 is a deficient number, since it is larger than the sum of its proper divisors (3648987).

4975785 is a wasteful number, since it uses less digits than its factorization.

4975785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110584 (or 110581 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 4975785 is about 2230.6467671956. The cubic root of 4975785 is about 170.7211007157.

Subtracting 4975785 from its reverse (5875794), we obtain a palindrome (900009).

The spelling of 4975785 in words is "four million, nine hundred seventy-five thousand, seven hundred eighty-five".