770630 has 32 divisors (see below), whose sum is σ = 1615680. Its totient is φ = 259200.

The previous prime is 770611. The next prime is 770639. The reversal of 770630 is 36077.

It is a junction number, because it is equal to n+sod(n) for n = 770596 and 770605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770639) by changing a digit.

770630 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 15 ways as a sum of consecutive naturals, for example, 7016 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (50490).

2⁷⁷⁰⁶³⁰ is an apocalyptic number.

770630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

770630 is an abundant number, since it is smaller than the sum of its proper divisors (845050).

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

770630 is a wasteful number, since it uses less digits than its factorization.

770630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 770630 is about 877.8553411582. The cubic root of 770630 is about 91.6815549738.

The spelling of 770630 in words is "seven hundred seventy thousand, six hundred thirty".