773312320 has 112 divisors (see below), whose sum is σ = 2127187008. Its totient is φ = 264642560.

The previous prime is 773312299. The next prime is 773312327. The reversal of 773312320 is 23213377.

773312320 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 not an unprimeable number, because it can be changed into a prime (773312327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53379 + ... + 66301.

Almost surely, 2^773312320 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 773312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063593504).

773312320 is an abundant number, since it is smaller than the sum of its proper divisors (1353874688).

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

773312320 is a wasteful number, since it uses less digits than its factorization.

773312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968 (or 12958 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 773312320 is about 27808.4936665041. The cubic root of 773312320 is about 917.8780332326.

Adding to 773312320 its reverse (23213377), we get a palindrome (796525697).

The spelling of 773312320 in words is "seven hundred seventy-three million, three hundred twelve thousand, three hundred twenty".