768353649 has 8 divisors (see below), whose sum is σ = 1170824640. Its totient is φ = 439059216.

The previous prime is 768353647. The next prime is 768353657. The reversal of 768353649 is 946353867.

768353649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 768353649 - 2¹ = 768353647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768353647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18294114 + ... + 18294155.

It is an arithmetic number, because the mean of its divisors is an integer number (146353080).

Almost surely, 2^768353649 is an apocalyptic number.

It is an amenable number.

768353649 is a deficient number, since it is larger than the sum of its proper divisors (402470991).

768353649 is a wasteful number, since it uses less digits than its factorization.

768353649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36588279.

The product of its digits is 3265920, while the sum is 51.

The square root of 768353649 is about 27719.1927912773. The cubic root of 768353649 is about 915.9119374193.

The spelling of 768353649 in words is "seven hundred sixty-eight million, three hundred fifty-three thousand, six hundred forty-nine".