6776448 has 64 divisors (see below), whose sum is σ = 20579520. Its totient is φ = 1935360.

The previous prime is 6776443. The next prime is 6776449. The reversal of 6776448 is 8446776.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6776443) 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, 1428 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (321555).

Almost surely, 2^6776448 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 6776448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10289760).

6776448 is an abundant number, since it is smaller than the sum of its proper divisors (13803072).

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

6776448 is a wasteful number, since it uses less digits than its factorization.

6776448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2533 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 6776448 is about 2603.1611552111. The cubic root of 6776448 is about 189.2346683354.

The spelling of 6776448 in words is "six million, seven hundred seventy-six thousand, four hundred forty-eight".