630573042 has 64 divisors (see below), whose sum is σ = 1437004800. Its totient is φ = 182710080.

The previous prime is 630573019. The next prime is 630573067. The reversal of 630573042 is 240375036.

It is a super-2 number, since 2×630573042² = 795244722594267528, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 203259 + ... + 206337.

It is an arithmetic number, because the mean of its divisors is an integer number (22453200).

Almost surely, 2^630573042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630573042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718502400).

630573042 is an abundant number, since it is smaller than the sum of its proper divisors (806431758).

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

630573042 is a wasteful number, since it uses less digits than its factorization.

630573042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 630573042 is about 25111.2134712761. The cubic root of 630573042 is about 857.5217285475.

The spelling of 630573042 in words is "six hundred thirty million, five hundred seventy-three thousand, forty-two".