6463744 has 36 divisors (see below), whose sum is σ = 14749504. Its totient is φ = 2769408.

The previous prime is 6463741. The next prime is 6463753. The reversal of 6463744 is 4473646.

It is a d-powerful number, because it can be written as 6 + 4² + 6⁸ + 3¹⁴ + 7² + 4³ + 4⁵ .

It is not an unprimeable number, because it can be changed into a prime (6463741) 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, 12 + ... + 3595.

Almost surely, 2^6463744 is an apocalyptic number.

6463744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6463744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7374752).

6463744 is an abundant number, since it is smaller than the sum of its proper divisors (8285760).

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

6463744 is an equidigital number, since it uses as much as digits as its factorization.

6463744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3616 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 6463744 is about 2542.3894272908. The cubic root of 6463744 is about 186.2779211328.

The spelling of 6463744 in words is "six million, four hundred sixty-three thousand, seven hundred forty-four".