766630 has 16 divisors (see below), whose sum is σ = 1425024. Its totient is φ = 296640.

The previous prime is 766609. The next prime is 766637. The reversal of 766630 is 36667.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927 + ... + 1546.

It is an arithmetic number, because the mean of its divisors is an integer number (89064).

2⁷⁶⁶⁶³⁰ is an apocalyptic number.

766630 is a deficient number, since it is larger than the sum of its proper divisors (658394).

766630 is a wasteful number, since it uses less digits than its factorization.

766630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 766630 is about 875.5740973784. The cubic root of 766630 is about 91.5226535726.

The spelling of 766630 in words is "seven hundred sixty-six thousand, six hundred thirty".