4320745 has 16 divisors (see below), whose sum is σ = 6092352. Its totient is φ = 2900160.

The previous prime is 4320721. The next prime is 4320761. The reversal of 4320745 is 5470234.

It is not a de Polignac number, because 4320745 - 2⁵ = 4320713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2307 + ... + 3736.

It is an arithmetic number, because the mean of its divisors is an integer number (380772).

Almost surely, 2^4320745 is an apocalyptic number.

It is an amenable number.

4320745 is a deficient number, since it is larger than the sum of its proper divisors (1771607).

4320745 is a wasteful number, since it uses less digits than its factorization.

4320745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 4320745 is about 2078.6401805026. The cubic root of 4320745 is about 162.8744186850.

Adding to 4320745 its reverse (5470234), we get a palindrome (9790979).

The spelling of 4320745 in words is "four million, three hundred twenty thousand, seven hundred forty-five".