6578432 has 36 divisors (see below), whose sum is σ = 15011136. Its totient is φ = 2818560.

The previous prime is 6578431. The next prime is 6578461. The reversal of 6578432 is 2348756.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6578392 and 6578401.

It is not an unprimeable number, because it can be changed into a prime (6578431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44 + ... + 3627.

It is an arithmetic number, because the mean of its divisors is an integer number (416976).

Almost surely, 2^6578432 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 6578432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7505568).

6578432 is an abundant number, since it is smaller than the sum of its proper divisors (8432704).

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

6578432 is an equidigital number, since it uses as much as digits as its factorization.

6578432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694 (or 3680 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 6578432 is about 2564.8454144451. The cubic root of 6578432 is about 187.3731954477.

The spelling of 6578432 in words is "six million, five hundred seventy-eight thousand, four hundred thirty-two".