6774741720 has 128 divisors (see below), whose sum is σ = 22600512000. Its totient is φ = 1805155200.

The previous prime is 6774741709. The next prime is 6774741731. The reversal of 6774741720 is 271474776.

6774741720 is a `hidden beast` number, since 6 + 7 + 7 + 474 + 172 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6774741709) and next prime (6774741731).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2654445 + ... + 2656995.

It is an arithmetic number, because the mean of its divisors is an integer number (176566500).

Almost surely, 2^6774741720 is an apocalyptic number.

6774741720 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 6774741720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11300256000).

6774741720 is an abundant number, since it is smaller than the sum of its proper divisors (15825770280).

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

6774741720 is a wasteful number, since it uses less digits than its factorization.

6774741720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The square root of 6774741720 is about 82308.8192115523. The cubic root of 6774741720 is about 1892.1878418122.

The spelling of 6774741720 in words is "six billion, seven hundred seventy-four million, seven hundred forty-one thousand, seven hundred twenty".