765321696 has 168 divisors, whose sum is σ = 2305399320. Its totient is φ = 249889536.

The previous prime is 765321679. The next prime is 765321721. The reversal of 765321696 is 696123567.

It is a super-3 number, since 3×765321696³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1236075 + ... + 1236693.

It is an arithmetic number, because the mean of its divisors is an integer number (13722615).

Almost surely, 2^765321696 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 765321696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152699660).

765321696 is an abundant number, since it is smaller than the sum of its proper divisors (1540077624).

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

765321696 is an equidigital number, since it uses as much as digits as its factorization.

765321696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 677 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 765321696 is about 27664.4482323433. The cubic root of 765321696 is about 914.7056080606.

The spelling of 765321696 in words is "seven hundred sixty-five million, three hundred twenty-one thousand, six hundred ninety-six".