768343680 has 384 divisors, whose sum is σ = 2958359040. Its totient is φ = 182476800.

The previous prime is 768343673. The next prime is 768343691. The reversal of 768343680 is 86343867.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2321115 + ... + 2321445.

It is an arithmetic number, because the mean of its divisors is an integer number (7704060).

Almost surely, 2^768343680 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 768343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479179520).

768343680 is an abundant number, since it is smaller than the sum of its proper divisors (2190015360).

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

768343680 is a wasteful number, since it uses less digits than its factorization.

768343680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 768343680 is about 27719.0129694403. The cubic root of 768343680 is about 915.9079762375.

The spelling of 768343680 in words is "seven hundred sixty-eight million, three hundred forty-three thousand, six hundred eighty".