4719945 has 16 divisors (see below), whose sum is σ = 7880832. Its totient is φ = 2407680.

The previous prime is 4719943. The next prime is 4719973. The reversal of 4719945 is 5499174.

It is not a de Polignac number, because 4719945 - 2¹ = 4719943 is a prime.

It is a Curzon number.

4719945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4719943) 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 15 ways as a sum of consecutive naturals, for example, 6496 + ... + 7185.

It is an arithmetic number, because the mean of its divisors is an integer number (492552).

Almost surely, 2^4719945 is an apocalyptic number.

It is an amenable number.

4719945 is a deficient number, since it is larger than the sum of its proper divisors (3160887).

4719945 is a wasteful number, since it uses less digits than its factorization.

4719945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712.

The product of its digits is 45360, while the sum is 39.

The square root of 4719945 is about 2172.5434403022. The cubic root of 4719945 is about 167.7434789795.

The spelling of 4719945 in words is "four million, seven hundred nineteen thousand, nine hundred forty-five".