7284480 has 144 divisors (see below), whose sum is σ = 26686464. Its totient is φ = 1658880.

The previous prime is 7284463. The next prime is 7284493. The reversal of 7284480 is 844827.

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, 26745 + ... + 27015.

Almost surely, 2^7284480 is an apocalyptic number.

7284480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13343232).

7284480 is an abundant number, since it is smaller than the sum of its proper divisors (19401984).

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

7284480 is a wasteful number, since it uses less digits than its factorization.

7284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 7284480 is about 2698.9775841974. The cubic root of 7284480 is about 193.8501695003.

The spelling of 7284480 in words is "seven million, two hundred eighty-four thousand, four hundred eighty".