630237042 has 12 divisors (see below), whose sum is σ = 1365513630. Its totient is φ = 210079008.

The previous prime is 630237031. The next prime is 630237043. The reversal of 630237042 is 240732036.

630237042 is a `hidden beast` number, since 630 + 23 + 7 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 369446841 + 260790201 = 19221^2 + 16149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630236997 and 630237015.

It is not an unprimeable number, because it can be changed into a prime (630237043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17506567 + ... + 17506602.

Almost surely, 2^630237042 is an apocalyptic number.

630237042 is an abundant number, since it is smaller than the sum of its proper divisors (735276588).

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

630237042 is a wasteful number, since it uses less digits than its factorization.

630237042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35013177 (or 35013174 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 630237042 is about 25104.5223416021. The cubic root of 630237042 is about 857.3693917191.

Adding to 630237042 its reverse (240732036), we get a palindrome (870969078).

The spelling of 630237042 in words is "six hundred thirty million, two hundred thirty-seven thousand, forty-two".