630735274 has 16 divisors (see below), whose sum is σ = 1019327400. Its totient is φ = 290980800.

The previous prime is 630735271. The next prime is 630735317. The reversal of 630735274 is 472537036.

It can be written as a sum of positive squares in 4 ways, for example, as 401000625 + 229734649 = 20025^2 + 15157^2 .

It is not an unprimeable number, because it can be changed into a prime (630735271) 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, 82152 + ... + 89500.

Almost surely, 2^630735274 is an apocalyptic number.

630735274 is a deficient number, since it is larger than the sum of its proper divisors (388592126).

630735274 is a wasteful number, since it uses less digits than its factorization.

630735274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 630735274 is about 25114.4435335526. The cubic root of 630735274 is about 857.5952624746.

The spelling of 630735274 in words is "six hundred thirty million, seven hundred thirty-five thousand, two hundred seventy-four".