6744432 has 40 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 2215360.

The previous prime is 6744431. The next prime is 6744433. The reversal of 6744432 is 2344476.

It is an interprime number because it is at equal distance from previous prime (6744431) and next prime (6744433).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6744432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744431) 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, 2419 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (441936).

Almost surely, 2^6744432 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 6744432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8838720).

6744432 is an abundant number, since it is smaller than the sum of its proper divisors (10933008).

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

6744432 is a wasteful number, since it uses less digits than its factorization.

6744432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2055 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 6744432 is about 2597.0044281826. The cubic root of 6744432 is about 188.9361784456.

It can be divided in two parts, 67444 and 32, that added together give a palindrome (67476).

The spelling of 6744432 in words is "six million, seven hundred forty-four thousand, four hundred thirty-two".