442670736 has 20 divisors (see below), whose sum is σ = 1143566192. Its totient is φ = 147556896.

The previous prime is 442670693. The next prime is 442670743. The reversal of 442670736 is 637076244.

It is a junction number, because it is equal to n+sod(n) for n = 442670694 and 442670703.

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 3 ways as a sum of consecutive naturals, for example, 4611106 + ... + 4611201.

Almost surely, 2^442670736 is an apocalyptic number.

It is an amenable number.

442670736 is an abundant number, since it is smaller than the sum of its proper divisors (700895456).

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

442670736 is a wasteful number, since it uses less digits than its factorization.

442670736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9222318 (or 9222312 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 442670736 is about 21039.7418235110. The cubic root of 442670736 is about 762.1262802129.

The spelling of 442670736 in words is "four hundred forty-two million, six hundred seventy thousand, seven hundred thirty-six".