7003873 has 4 divisors (see below), whose sum is σ = 7024068. Its totient is φ = 6983680.

The previous prime is 7003859. The next prime is 7003879. The reversal of 7003873 is 3783007.

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 1016064 + 5987809 = 1008^2 + 2447^2 .

It is a cyclic number.

It is not a de Polignac number, because 7003873 - 2⁹ = 7003361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7003879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9568 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (1756017).

Almost surely, 2^7003873 is an apocalyptic number.

It is an amenable number.

7003873 is a deficient number, since it is larger than the sum of its proper divisors (20195).

7003873 is a wasteful number, since it uses less digits than its factorization.

7003873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20194.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7003873 is about 2646.4831380532. The cubic root of 7003873 is about 191.3283916891.

The spelling of 7003873 in words is "seven million, three thousand, eight hundred seventy-three".