6774947520 has 224 divisors, whose sum is σ = 24276222720. Its totient is φ = 1585704960.

The previous prime is 6774947497. The next prime is 6774947527. The reversal of 6774947520 is 257494776.

It is not an unprimeable number, because it can be changed into a prime (6774947527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295179 + ... + 317301.

Almost surely, 2^6774947520 is an apocalyptic number.

6774947520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6774947520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12138111360).

6774947520 is an abundant number, since it is smaller than the sum of its proper divisors (17501275200).

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

6774947520 is a wasteful number, since it uses less digits than its factorization.

6774947520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183 (or 22173 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The square root of 6774947520 is about 82310.0693718575. The cubic root of 6774947520 is about 1892.2070016233.

The spelling of 6774947520 in words is "six billion, seven hundred seventy-four million, nine hundred forty-seven thousand, five hundred twenty".