4745645 has 4 divisors (see below), whose sum is σ = 5694780. Its totient is φ = 3796512.

The previous prime is 4745641. The next prime is 4745651. The reversal of 4745645 is 5465474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2036329 + 2709316 = 1427^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 4745645 - 2² = 4745641 is a prime.

It is a super-3 number, since 3×4745645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474560 + ... + 474569.

It is an arithmetic number, because the mean of its divisors is an integer number (1423695).

Almost surely, 2^4745645 is an apocalyptic number.

It is an amenable number.

4745645 is a deficient number, since it is larger than the sum of its proper divisors (949135).

4745645 is an equidigital number, since it uses as much as digits as its factorization.

4745645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949134.

The product of its digits is 67200, while the sum is 35.

The square root of 4745645 is about 2178.4501371388. The cubic root of 4745645 is about 168.0473812880.

The spelling of 4745645 in words is "four million, seven hundred forty-five thousand, six hundred forty-five".