4725890 has 16 divisors (see below), whose sum is σ = 9161208. Its totient is φ = 1744896.

The previous prime is 4725887. The next prime is 4725893. The reversal of 4725890 is 985274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4725887) and next prime (4725893).

It can be written as a sum of positive squares in 4 ways, for example, as 2436721 + 2289169 = 1561^2 + 1513^2 .

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 4725890.

It is not an unprimeable number, because it can be changed into a prime (4725893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18047 + ... + 18306.

Almost surely, 2^4725890 is an apocalyptic number.

4725890 is a deficient number, since it is larger than the sum of its proper divisors (4435318).

4725890 is a wasteful number, since it uses less digits than its factorization.

4725890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36373.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 4725890 is about 2173.9112217384. The cubic root of 4725890 is about 167.8138764514.

The spelling of 4725890 in words is "four million, seven hundred twenty-five thousand, eight hundred ninety".