7285340 has 12 divisors (see below), whose sum is σ = 15299256. Its totient is φ = 2914128.

The previous prime is 7285339. The next prime is 7285349. The reversal of 7285340 is 435827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182114 + ... + 182153.

It is an arithmetic number, because the mean of its divisors is an integer number (1274938).

Almost surely, 2^7285340 is an apocalyptic number.

It is an amenable number.

7285340 is an abundant number, since it is smaller than the sum of its proper divisors (8013916).

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

7285340 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 7285340 = (2534078)₁₂.

7285340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364276 (or 364274 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 7285340 is about 2699.1368990846. The cubic root of 7285340 is about 193.8577977998.

The spelling of 7285340 in words is "seven million, two hundred eighty-five thousand, three hundred forty".