630007836 has 24 divisors (see below), whose sum is σ = 1472582160. Its totient is φ = 209636352.

The previous prime is 630007831. The next prime is 630007837. The reversal of 630007836 is 638700036.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 630007797 and 630007806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630007831) 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, 38571 + ... + 52418.

It is an arithmetic number, because the mean of its divisors is an integer number (61357590).

Almost surely, 2^630007836 is an apocalyptic number.

It is an amenable number.

630007836 is an abundant number, since it is smaller than the sum of its proper divisors (842574324).

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

630007836 is a wasteful number, since it uses less digits than its factorization.

630007836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91573 (or 91571 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 630007836 is about 25099.9568923933. The cubic root of 630007836 is about 857.2654424516.

The spelling of 630007836 in words is "six hundred thirty million, seven thousand, eight hundred thirty-six".