4577645 has 8 divisors (see below), whose sum is σ = 5520480. Its totient is φ = 3643920.

The previous prime is 4577627. The next prime is 4577647. The reversal of 4577645 is 5467754.

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

It is not a de Polignac number, because 4577645 - 2²⁰ = 3529069 is a prime.

It is a super-3 number, since 3×4577645³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4577599 and 4577608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4577647) 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 7 ways as a sum of consecutive naturals, for example, 1115 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (690060).

Almost surely, 2^4577645 is an apocalyptic number.

It is an amenable number.

4577645 is a deficient number, since it is larger than the sum of its proper divisors (942835).

4577645 is a wasteful number, since it uses less digits than its factorization.

4577645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its digits is 117600, while the sum is 38.

The square root of 4577645 is about 2139.5431755400. The cubic root of 4577645 is about 166.0405015608.

The spelling of 4577645 in words is "four million, five hundred seventy-seven thousand, six hundred forty-five".