7280480 has 24 divisors (see below), whose sum is σ = 17200512. Its totient is φ = 2912128.

The previous prime is 7280461. The next prime is 7280491. The reversal of 7280480 is 840827.

It is a congruent number.

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, 22592 + ... + 22911.

It is an arithmetic number, because the mean of its divisors is an integer number (716688).

Almost surely, 2^7280480 is an apocalyptic number.

It is an amenable number.

7280480 is an abundant number, since it is smaller than the sum of its proper divisors (9920032).

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

7280480 is a wasteful number, since it uses less digits than its factorization.

7280480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45518 (or 45510 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 7280480 is about 2698.2364610982. The cubic root of 7280480 is about 193.8146811448.

The spelling of 7280480 in words is "seven million, two hundred eighty thousand, four hundred eighty".