630770 has 16 divisors (see below), whose sum is σ = 1297728. Its totient is φ = 216240.

The previous prime is 630737. The next prime is 630797. The reversal of 630770 is 77036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (81108).

2⁶³⁰⁷⁷⁰ is an apocalyptic number.

630770 is an abundant number, since it is smaller than the sum of its proper divisors (666958).

It is a weird number, because it is abundant, but not a pseudoperfect number.

630770 is a wasteful number, since it uses less digits than its factorization.

630770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025.

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

The square root of 630770 is about 794.2102996058. The cubic root of 630770 is about 85.7611000882.

The spelling of 630770 in words is "six hundred thirty thousand, seven hundred seventy".