630545667 has 8 divisors (see below), whose sum is σ = 877281024. Its totient is φ = 402087048.

The previous prime is 630545659. The next prime is 630545677. The reversal of 630545667 is 766545036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630545667 - 2³ = 630545659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630545627) 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, 4569103 + ... + 4569240.

It is an arithmetic number, because the mean of its divisors is an integer number (109660128).

Almost surely, 2^630545667 is an apocalyptic number.

630545667 is a deficient number, since it is larger than the sum of its proper divisors (246735357).

630545667 is a wasteful number, since it uses less digits than its factorization.

630545667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138369.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 630545667 is about 25110.6683901484. The cubic root of 630545667 is about 857.5093192016.

The spelling of 630545667 in words is "six hundred thirty million, five hundred forty-five thousand, six hundred sixty-seven".