768209340 has 24 divisors (see below), whose sum is σ = 2150986320. Its totient is φ = 204855808.

The previous prime is 768209339. The next prime is 768209353. The reversal of 768209340 is 43902867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6401685 + ... + 6401804.

It is an arithmetic number, because the mean of its divisors is an integer number (89624430).

Almost surely, 2^768209340 is an apocalyptic number.

It is an amenable number.

768209340 is an abundant number, since it is smaller than the sum of its proper divisors (1382776980).

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

768209340 is a wasteful number, since it uses less digits than its factorization.

768209340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803501 (or 12803499 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 768209340 is about 27716.5896170507. The cubic root of 768209340 is about 915.8545929002.

The spelling of 768209340 in words is "seven hundred sixty-eight million, two hundred nine thousand, three hundred forty".