7285312 has 28 divisors (see below), whose sum is σ = 14681200. Its totient is φ = 3586176.

The previous prime is 7285283. The next prime is 7285339. The reversal of 7285312 is 2135827.

It is an Ulam number.

It is a zygodrome in base 5.

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, 3439 + ... + 5137.

Almost surely, 2^7285312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7285312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7340600).

7285312 is an abundant number, since it is smaller than the sum of its proper divisors (7395888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7285312 is a wasteful number, since it uses less digits than its factorization.

7285312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1768 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 7285312 is about 2699.1317122364. The cubic root of 7285312 is about 193.8575494460.

The spelling of 7285312 in words is "seven million, two hundred eighty-five thousand, three hundred twelve".