7207285 has 8 divisors (see below), whose sum is σ = 8671320. Its totient is φ = 5750784.

The previous prime is 7207247. The next prime is 7207297. The reversal of 7207285 is 5827027.

It can be written as a sum of positive squares in 4 ways, for example, as 14161 + 7193124 = 119^2 + 2682^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7207285 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501 + ... + 3829.

It is an arithmetic number, because the mean of its divisors is an integer number (1083915).

Almost surely, 2^7207285 is an apocalyptic number.

It is an amenable number.

7207285 is a deficient number, since it is larger than the sum of its proper divisors (1464035).

7207285 is a wasteful number, since it uses less digits than its factorization.

7207285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 7207285 is about 2684.6387093983. The cubic root of 7207285 is about 193.1629808034.

The spelling of 7207285 in words is "seven million, two hundred seven thousand, two hundred eighty-five".