6448764 has 24 divisors (see below), whose sum is σ = 17196928. Its totient is φ = 1842480.

The previous prime is 6448699. The next prime is 6448781. The reversal of 6448764 is 4678446.

It is a congruent 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, 38302 + ... + 38469.

Almost surely, 2^6448764 is an apocalyptic number.

It is an amenable number.

6448764 is an abundant number, since it is smaller than the sum of its proper divisors (10748164).

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

6448764 is a wasteful number, since it uses less digits than its factorization.

6448764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76785 (or 76783 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 6448764 is about 2539.4416709190. The cubic root of 6448764 is about 186.1339075035.

It can be divided in two parts, 64 and 48764, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 6448764 in words is "six million, four hundred forty-eight thousand, seven hundred sixty-four".