770664 has 32 divisors (see below), whose sum is σ = 1948320. Its totient is φ = 254016.

The previous prime is 770663. The next prime is 770669. The reversal of 770664 is 466077.

It is not an unprimeable number, because it can be changed into a prime (770663) 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, 3814 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (60885).

2⁷⁷⁰⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

770664 is an abundant number, since it is smaller than the sum of its proper divisors (1177656).

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

770664 is a wasteful number, since it uses less digits than its factorization.

770664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 770664 is about 877.8747063220. The cubic root of 770664 is about 91.6829032763.

The spelling of 770664 in words is "seven hundred seventy thousand, six hundred sixty-four".