693536768 has 48 divisors (see below), whose sum is σ = 1391857740. Its totient is φ = 345489408.

The previous prime is 693536749. The next prime is 693536863. The reversal of 693536768 is 867635396.

It can be written as a sum of positive squares in 2 ways, for example, as 670188544 + 23348224 = 25888^2 + 4832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812630 + ... + 813482.

Almost surely, 2^693536768 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 693536768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695928870).

693536768 is an abundant number, since it is smaller than the sum of its proper divisors (698320972).

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

693536768 is an equidigital number, since it uses as much as digits as its factorization.

693536768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1252 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 53.

The square root of 693536768 is about 26335.0862538933. The cubic root of 693536768 is about 885.1628193734.

The spelling of 693536768 in words is "six hundred ninety-three million, five hundred thirty-six thousand, seven hundred sixty-eight".