630743610 has 64 divisors (see below), whose sum is σ = 1741584384. Its totient is φ = 143208000.

The previous prime is 630743609. The next prime is 630743611. The reversal of 630743610 is 16347036.

It is an interprime number because it is at equal distance from previous prime (630743609) and next prime (630743611).

It is a Harshad number since it is a multiple of its sum of digits (30).

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

It is not an unprimeable number, because it can be changed into a prime (630743611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21765 + ... + 41655.

It is an arithmetic number, because the mean of its divisors is an integer number (27212256).

Almost surely, 2^630743610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630743610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870792192).

630743610 is an abundant number, since it is smaller than the sum of its proper divisors (1110840774).

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

630743610 is a wasteful number, since it uses less digits than its factorization.

630743610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20059.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 630743610 is about 25114.6094932810. The cubic root of 630743610 is about 857.5990405428.

The spelling of 630743610 in words is "six hundred thirty million, seven hundred forty-three thousand, six hundred ten".