7200085 has 4 divisors (see below), whose sum is σ = 8640108. Its totient is φ = 5760064.

The previous prime is 7200073. The next prime is 7200097. The reversal of 7200085 is 5800027.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7200073) and next prime (7200097).

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 6441444 = 871^2 + 2538^2 .

It is a cyclic number.

It is not a de Polignac number, because 7200085 - 2⁷ = 7199957 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720004 + ... + 720013.

It is an arithmetic number, because the mean of its divisors is an integer number (2160027).

Almost surely, 2^7200085 is an apocalyptic number.

It is an amenable number.

7200085 is a deficient number, since it is larger than the sum of its proper divisors (1440023).

7200085 is a wasteful number, since it uses less digits than its factorization.

7200085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440022.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 7200085 is about 2683.2974117678. The cubic root of 7200085 is about 193.0986367940.

The spelling of 7200085 in words is "seven million, two hundred thousand, eighty-five".