630354747 has 32 divisors (see below), whose sum is σ = 980328960. Its totient is φ = 356037120.

The previous prime is 630354743. The next prime is 630354779. The reversal of 630354747 is 747453036.

It is not a de Polignac number, because 630354747 - 2² = 630354743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630354743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52329 + ... + 63237.

It is an arithmetic number, because the mean of its divisors is an integer number (30635280).

Almost surely, 2^630354747 is an apocalyptic number.

630354747 is a deficient number, since it is larger than the sum of its proper divisors (349974213).

630354747 is a wasteful number, since it uses less digits than its factorization.

630354747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043.

The product of its (nonzero) digits is 211680, while the sum is 39.

The square root of 630354747 is about 25106.8665308915. The cubic root of 630354747 is about 857.4227633743.

The spelling of 630354747 in words is "six hundred thirty million, three hundred fifty-four thousand, seven hundred forty-seven".