7328280 has 64 divisors (see below), whose sum is σ = 22174560. Its totient is φ = 1937408.

The previous prime is 7328273. The next prime is 7328303. The reversal of 7328280 is 828237.

7328280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20584 + ... + 20936.

Almost surely, 2^7328280 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 7328280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11087280).

7328280 is an abundant number, since it is smaller than the sum of its proper divisors (14846280).

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

7328280 is a wasteful number, since it uses less digits than its factorization.

7328280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7328280 is about 2707.0796072521. The cubic root of 7328280 is about 194.2379197396.

The spelling of 7328280 in words is "seven million, three hundred twenty-eight thousand, two hundred eighty".