630747074 has 16 divisors (see below), whose sum is σ = 956404800. Its totient is φ = 311952720.

The previous prime is 630747067. The next prime is 630747079. The reversal of 630747074 is 470747036.

630747074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×630747074² = 795683742719122952, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630747079) 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, 322652 + ... + 324600.

It is an arithmetic number, because the mean of its divisors is an integer number (59775300).

Almost surely, 2^630747074 is an apocalyptic number.

630747074 is a deficient number, since it is larger than the sum of its proper divisors (325657726).

630747074 is a wasteful number, since it uses less digits than its factorization.

630747074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 630747074 is about 25114.6784570299. The cubic root of 630747074 is about 857.6006104980.

Subtracting from 630747074 its sum of digits (38), we obtain a palindrome (630747036).

The spelling of 630747074 in words is "six hundred thirty million, seven hundred forty-seven thousand, seventy-four".