7381480 has 32 divisors (see below), whose sum is σ = 16770600. Its totient is φ = 2923776.

The previous prime is 7381453. The next prime is 7381483. The reversal of 7381480 is 841837.

It is a happy number.

7381480 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6140484 + 1240996 = 2478^2 + 1114^2 .

It is a super-4 number, since 4×7381480⁴ (a number of 29 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (7381483) 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, 3514 + ... + 5206.

Almost surely, 2^7381480 is an apocalyptic number.

It is an amenable number.

7381480 is an abundant number, since it is smaller than the sum of its proper divisors (9389120).

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

7381480 is a wasteful number, since it uses less digits than its factorization.

7381480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1809 counting only the distinct ones).

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

The square root of 7381480 is about 2716.8879255501. The cubic root of 7381480 is about 194.7068134083.

The spelling of 7381480 in words is "seven million, three hundred eighty-one thousand, four hundred eighty".