7200605 has 8 divisors (see below), whose sum is σ = 9149112. Its totient is φ = 5421568.

The previous prime is 7200569. The next prime is 7200619. The reversal of 7200605 is 5060027.

It can be written as a sum of positive squares in 4 ways, for example, as 2474329 + 4726276 = 1573^2 + 2174^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7200605 - 2¹⁶ = 7135069 is a prime.

It is an Ulam number.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42272 + ... + 42441.

It is an arithmetic number, because the mean of its divisors is an integer number (1143639).

Almost surely, 2^7200605 is an apocalyptic number.

It is an amenable number.

7200605 is a deficient number, since it is larger than the sum of its proper divisors (1948507).

7200605 is a wasteful number, since it uses less digits than its factorization.

7200605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84735.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7200605 is about 2683.3943057255. The cubic root of 7200605 is about 193.1032852981.

The spelling of 7200605 in words is "seven million, two hundred thousand, six hundred five".