7381285 has 8 divisors (see below), whose sum is σ = 8904600. Its totient is φ = 5873664.

The previous prime is 7381279. The next prime is 7381301. The reversal of 7381285 is 5821837.

7381285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 7306209 = 274^2 + 2703^2 .

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 7381285 - 2³ = 7381277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7381285.

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, 2860 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (1113075).

Almost surely, 2^7381285 is an apocalyptic number.

It is an amenable number.

7381285 is a deficient number, since it is larger than the sum of its proper divisors (1523315).

7381285 is a wasteful number, since it uses less digits than its factorization.

7381285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847.

The product of its digits is 13440, while the sum is 34.

The square root of 7381285 is about 2716.8520386653. The cubic root of 7381285 is about 194.7050988396.

The spelling of 7381285 in words is "seven million, three hundred eighty-one thousand, two hundred eighty-five".