769571328 has 80 divisors (see below), whose sum is σ = 2058636096. Its totient is φ = 255467520.

The previous prime is 769571323. The next prime is 769571357. The reversal of 769571328 is 823175967.

769571328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (769571321) 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, 430725 + ... + 432507.

Almost surely, 2^769571328 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 769571328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029318048).

769571328 is an abundant number, since it is smaller than the sum of its proper divisors (1289064768).

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

769571328 is a wasteful number, since it uses less digits than its factorization.

769571328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2069 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 769571328 is about 27741.1486424048. The cubic root of 769571328 is about 916.3955246696.

The spelling of 769571328 in words is "seven hundred sixty-nine million, five hundred seventy-one thousand, three hundred twenty-eight".