7318480 has 80 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 2603520.

The previous prime is 7318457. The next prime is 7318499. The reversal of 7318480 is 848137.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 32127 + ... + 32353.

Almost surely, 2^7318480 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 7318480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9499392).

7318480 is an abundant number, since it is smaller than the sum of its proper divisors (11680304).

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

7318480 is a wasteful number, since it uses less digits than its factorization.

7318480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 7318480 is about 2705.2689330268. The cubic root of 7318480 is about 194.1512972867.

The spelling of 7318480 in words is "seven million, three hundred eighteen thousand, four hundred eighty".