6629744 has 40 divisors (see below), whose sum is σ = 14165760. Its totient is φ = 2980800.

The previous prime is 6629737. The next prime is 6629747. The reversal of 6629744 is 4479266.

It is a junction number, because it is equal to n+sod(n) for n = 6629698 and 6629707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629747) 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, 24329 + ... + 24599.

It is an arithmetic number, because the mean of its divisors is an integer number (354144).

Almost surely, 2^6629744 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 6629744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7082880).

6629744 is an abundant number, since it is smaller than the sum of its proper divisors (7536016).

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

6629744 is a wasteful number, since it uses less digits than its factorization.

6629744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 6629744 is about 2574.8289263561. The cubic root of 6629744 is about 187.8591067497.

The spelling of 6629744 in words is "six million, six hundred twenty-nine thousand, seven hundred forty-four".