6764666340 has 96 divisors (see below), whose sum is σ = 19475285760. Its totient is φ = 1753145856.

The previous prime is 6764666297. The next prime is 6764666347. The reversal of 6764666340 is 436664676.

It is a self number, because there is not a number n which added to its sum of digits gives 6764666340.

It is not an unprimeable number, because it can be changed into a prime (6764666347) 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, 3793089 + ... + 3794871.

It is an arithmetic number, because the mean of its divisors is an integer number (202867560).

Almost surely, 2^6764666340 is an apocalyptic number.

6764666340 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 6764666340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9737642880).

6764666340 is an abundant number, since it is smaller than the sum of its proper divisors (12710619420).

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

6764666340 is a wasteful number, since it uses less digits than its factorization.

6764666340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 48.

The square root of 6764666340 is about 82247.5916972649. The cubic root of 6764666340 is about 1891.2493573139.

The spelling of 6764666340 in words is "six billion, seven hundred sixty-four million, six hundred sixty-six thousand, three hundred forty".