770066 has 32 divisors (see below), whose sum is σ = 1399680. Its totient is φ = 313600.

The previous prime is 770059. The next prime is 770069. The reversal of 770066 is 660077.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (770069) by changing a digit.

770066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10811 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁷⁷⁰⁰⁶⁶ is an apocalyptic number.

770066 is a deficient number, since it is larger than the sum of its proper divisors (629614).

770066 is a wasteful number, since it uses less digits than its factorization.

770066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 770066 is about 877.5340449236. The cubic root of 770066 is about 91.6591832275.

The spelling of 770066 in words is "seven hundred seventy thousand, sixty-six".