630140027 has 4 divisors (see below), whose sum is σ = 687425496. Its totient is φ = 572854560.

The previous prime is 630140023. The next prime is 630140041. The reversal of 630140027 is 720041036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630140027 - 2² = 630140023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630139984 and 630140011.

It is not an unprimeable number, because it can be changed into a prime (630140023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28642718 + ... + 28642739.

It is an arithmetic number, because the mean of its divisors is an integer number (171856374).

Almost surely, 2^630140027 is an apocalyptic number.

630140027 is a deficient number, since it is larger than the sum of its proper divisors (57285469).

630140027 is a wasteful number, since it uses less digits than its factorization.

630140027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57285468.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 630140027 is about 25102.5900456507. The cubic root of 630140027 is about 857.3253966535.

The spelling of 630140027 in words is "six hundred thirty million, one hundred forty thousand, twenty-seven".