7285328 has 10 divisors (see below), whose sum is σ = 14115354. Its totient is φ = 3642656.

The previous prime is 7285283. The next prime is 7285339. The reversal of 7285328 is 8235827.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5626384 + 1658944 = 2372^2 + 1288^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227651 + ... + 227682.

Almost surely, 2^7285328 is an apocalyptic number.

It is an amenable number.

7285328 is a deficient number, since it is larger than the sum of its proper divisors (6830026).

7285328 is a wasteful number, since it uses less digits than its factorization.

7285328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455341 (or 455335 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 7285328 is about 2699.1346761509. The cubic root of 7285328 is about 193.8576913626.

The spelling of 7285328 in words is "seven million, two hundred eighty-five thousand, three hundred twenty-eight".