7287380 has 24 divisors (see below), whose sum is σ = 15388800. Its totient is φ = 2898720.

The previous prime is 7287367. The next prime is 7287383. The reversal of 7287380 is 837827.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7287380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3065 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (641200).

Almost surely, 2^7287380 is an apocalyptic number.

It is an amenable number.

7287380 is an abundant number, since it is smaller than the sum of its proper divisors (8101420).

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

7287380 is a wasteful number, since it uses less digits than its factorization.

7287380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 7287380 is about 2699.5147712135. The cubic root of 7287380 is about 193.8758904352.

It can be divided in two parts, 7287 and 380, that added together give a palindrome (7667).

The spelling of 7287380 in words is "seven million, two hundred eighty-seven thousand, three hundred eighty".