764841428 has 24 divisors (see below), whose sum is σ = 1517298720. Its totient is φ = 334424160.

The previous prime is 764841421. The next prime is 764841439. The reversal of 764841428 is 824148467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764841421) 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, 386078 + ... + 388053.

It is an arithmetic number, because the mean of its divisors is an integer number (63220780).

Almost surely, 2^764841428 is an apocalyptic number.

It is an amenable number.

764841428 is a deficient number, since it is larger than the sum of its proper divisors (752457292).

764841428 is a wasteful number, since it uses less digits than its factorization.

764841428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774167 (or 774165 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 764841428 is about 27655.7666319341. The cubic root of 764841428 is about 914.5142306915.

The spelling of 764841428 in words is "seven hundred sixty-four million, eight hundred forty-one thousand, four hundred twenty-eight".