630326942 has 16 divisors (see below), whose sum is σ = 1090661760. Its totient is φ = 267614808.

The previous prime is 630326927. The next prime is 630327007. The reversal of 630326942 is 249623036.

It is a super-2 number, since 2×630326942² = 794624107622142728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 208892 + ... + 211887.

It is an arithmetic number, because the mean of its divisors is an integer number (68166360).

Almost surely, 2^630326942 is an apocalyptic number.

630326942 is a deficient number, since it is larger than the sum of its proper divisors (460334818).

630326942 is a wasteful number, since it uses less digits than its factorization.

630326942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420895.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 630326942 is about 25106.3127918060. The cubic root of 630326942 is about 857.4101561926.

Adding to 630326942 its reverse (249623036), we get a palindrome (879949978).

The spelling of 630326942 in words is "six hundred thirty million, three hundred twenty-six thousand, nine hundred forty-two".