6345504 has 72 divisors (see below), whose sum is σ = 19695312. Its totient is φ = 1921920.

The previous prime is 6345497. The next prime is 6345533. The reversal of 6345504 is 4055436.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2167 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (273546).

Almost surely, 2^6345504 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 6345504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9847656).

6345504 is an abundant number, since it is smaller than the sum of its proper divisors (13349808).

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

6345504 is a wasteful number, since it uses less digits than its factorization.

6345504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 6345504 is about 2519.0283841196. The cubic root of 6345504 is about 185.1350754454.

The spelling of 6345504 in words is "six million, three hundred forty-five thousand, five hundred four".