7404 has 12 divisors (see below), whose sum is σ = 17304. Its totient is φ = 2464.

The previous prime is 7393. The next prime is 7411. The reversal of 7404 is 4047.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 9 and base 14.

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, 297 + ... + 320.

It is an arithmetic number, because the mean of its divisors is an integer number (1442).

2^{7404} is an apocalyptic number.

It is an amenable number.

7404 is an abundant number, since it is smaller than the sum of its proper divisors (9900).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8652).

7404 is a wasteful number, since it uses less digits than its factorization.

7404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 7404 is about 86.0464990572. The cubic root of 7404 is about 19.4904621337.

The spelling of 7404 in words is "seven thousand, four hundred four", and thus it is an iban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.027 sec. • engine limits •