6719648 has 48 divisors (see below), whose sum is σ = 14764680. Its totient is φ = 2989056.

The previous prime is 6719639. The next prime is 6719693. The reversal of 6719648 is 8469176.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 3579664 = 1772^2 + 1892^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11786 + ... + 12342.

Almost surely, 2^6719648 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 6719648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7382340).

6719648 is an abundant number, since it is smaller than the sum of its proper divisors (8045032).

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

6719648 is a wasteful number, since it uses less digits than its factorization.

6719648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 601 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 6719648 is about 2592.2283850001. The cubic root of 6719648 is about 188.7044642577.

The spelling of 6719648 in words is "six million, seven hundred nineteen thousand, six hundred forty-eight".