4545073 has 8 divisors (see below), whose sum is σ = 4914728. Its totient is φ = 4178304.

The previous prime is 4545071. The next prime is 4545077. The reversal of 4545073 is 3705454.

It can be written as a sum of positive squares in 4 ways, for example, as 831744 + 3713329 = 912^2 + 1927^2 .

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

It is not a de Polignac number, because 4545073 - 2¹ = 4545071 is a prime.

4545073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4545071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511 + ... + 4627.

It is an arithmetic number, because the mean of its divisors is an integer number (614341).

Almost surely, 2^4545073 is an apocalyptic number.

It is an amenable number.

4545073 is a deficient number, since it is larger than the sum of its proper divisors (369655).

4545073 is a wasteful number, since it uses less digits than its factorization.

4545073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 4545073 is about 2131.9176813376. The cubic root of 4545073 is about 165.6457462086.

The spelling of 4545073 in words is "four million, five hundred forty-five thousand, seventy-three".