770328 has 48 divisors (see below), whose sum is σ = 2249520. Its totient is φ = 236736.

The previous prime is 770311. The next prime is 770353. The reversal of 770328 is 823077.

It is a congruent number.

It is an unprimeable number.

770328 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 11 ways as a sum of consecutive naturals, for example, 525 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (46865).

2⁷⁷⁰³²⁸ is an apocalyptic number.

770328 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124760).

770328 is an abundant number, since it is smaller than the sum of its proper divisors (1479192).

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

770328 is a wasteful number, since it uses less digits than its factorization.

770328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 770328 is about 877.6833141857. The cubic root of 770328 is about 91.6695771344.

The spelling of 770328 in words is "seven hundred seventy thousand, three hundred twenty-eight".