630707776 has 28 divisors (see below), whose sum is σ = 1294721820. Its totient is φ = 304478720.

The previous prime is 630707773. The next prime is 630707801. The reversal of 630707776 is 677707036.

It can be written as a sum of positive squares in 2 ways, for example, as 261145600 + 369562176 = 16160^2 + 19224^2 .

It is not an unprimeable number, because it can be changed into a prime (630707773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168055 + ... + 171766.

It is an arithmetic number, because the mean of its divisors is an integer number (46240065).

Almost surely, 2^630707776 is an apocalyptic number.

It is an amenable number.

630707776 is an abundant number, since it is smaller than the sum of its proper divisors (664014044).

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

630707776 is a wasteful number, since it uses less digits than its factorization.

630707776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339862 (or 339852 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 43.

The square root of 630707776 is about 25113.8960736880. The cubic root of 630707776 is about 857.5827995084.

The spelling of 630707776 in words is "six hundred thirty million, seven hundred seven thousand, seven hundred seventy-six".