6776240 has 40 divisors (see below), whose sum is σ = 15990048. Its totient is φ = 2670080.

The previous prime is 6776233. The next prime is 6776243. The reversal of 6776240 is 426776.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 6776197 and 6776206.

It is not an unprimeable number, because it can be changed into a prime (6776243) 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, 5084 + ... + 6276.

Almost surely, 2^6776240 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 6776240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7995024).

6776240 is an abundant number, since it is smaller than the sum of its proper divisors (9213808).

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

6776240 is a wasteful number, since it uses less digits than its factorization.

6776240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 6776240 is about 2603.1212034786. The cubic root of 6776240 is about 189.2327321581.

The spelling of 6776240 in words is "six million, seven hundred seventy-six thousand, two hundred forty".