768448736 has 36 divisors (see below), whose sum is σ = 1662929856. Its totient is φ = 349293120.

The previous prime is 768448729. The next prime is 768448741. The reversal of 768448736 is 637844867.

768448736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95360 + ... + 103103.

It is an arithmetic number, because the mean of its divisors is an integer number (46192496).

Almost surely, 2^768448736 is an apocalyptic number.

It is an amenable number.

768448736 is an abundant number, since it is smaller than the sum of its proper divisors (894481120).

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

768448736 is a wasteful number, since it uses less digits than its factorization.

768448736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198495 (or 198476 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The square root of 768448736 is about 27720.9079216392. The cubic root of 768448736 is about 915.9497185140.

The spelling of 768448736 in words is "seven hundred sixty-eight million, four hundred forty-eight thousand, seven hundred thirty-six".