770304 has 72 divisors (see below), whose sum is σ = 2207520. Its totient is φ = 237568.

The previous prime is 770291. The next prime is 770309. The reversal of 770304 is 403077.

It is not an unprimeable number, because it can be changed into a prime (770309) by changing a digit.

770304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13027 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (30660).

2⁷⁷⁰³⁰⁴ 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 770304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103760).

770304 is an abundant number, since it is smaller than the sum of its proper divisors (1437216).

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

770304 is a wasteful number, since it uses less digits than its factorization.

770304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 770304 is about 877.6696417218. The cubic root of 770304 is about 91.6686251189.

The spelling of 770304 in words is "seven hundred seventy thousand, three hundred four", and thus it is an iban number.