630674670 has 128 divisors (see below), whose sum is σ = 1661700096. Its totient is φ = 152569856.

The previous prime is 630674641. The next prime is 630674683. The reversal of 630674670 is 76476036.

630674670 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1989352 + ... + 1989668.

It is an arithmetic number, because the mean of its divisors is an integer number (12982032).

Almost surely, 2^630674670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630674670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830850048).

630674670 is an abundant number, since it is smaller than the sum of its proper divisors (1031025426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630674670 is a wasteful number, since it uses less digits than its factorization.

630674670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 630674670 is about 25113.2369478727. The cubic root of 630674670 is about 857.5677943380.

The spelling of 630674670 in words is "six hundred thirty million, six hundred seventy-four thousand, six hundred seventy".