768076340 has 24 divisors (see below), whose sum is σ = 1656555432. Its totient is φ = 298926720.

The previous prime is 768076321. The next prime is 768076343. The reversal of 768076340 is 43670867.

It can be written as a sum of positive squares in 4 ways, for example, as 98922916 + 669153424 = 9946^2 + 25868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768076343) 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 7 ways as a sum of consecutive naturals, for example, 518231 + ... + 519710.

It is an arithmetic number, because the mean of its divisors is an integer number (69023143).

Almost surely, 2^768076340 is an apocalyptic number.

It is an amenable number.

768076340 is an abundant number, since it is smaller than the sum of its proper divisors (888479092).

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

768076340 is a wasteful number, since it uses less digits than its factorization.

768076340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037987 (or 1037985 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 768076340 is about 27714.1902281124. The cubic root of 768076340 is about 915.8017359142.

The spelling of 768076340 in words is "seven hundred sixty-eight million, seventy-six thousand, three hundred forty".