42330628 has 6 divisors (see below), whose sum is σ = 74078606. Its totient is φ = 21165312.

The previous prime is 42330571. The next prime is 42330677. The reversal of 42330628 is 82603324.

It can be written as a sum of positive squares in only one way, i.e., 34082244 + 8248384 = 5838^2 + 2872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42330596 and 42330605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5291325 + ... + 5291332.

Almost surely, 2^42330628 is an apocalyptic number.

It is an amenable number.

42330628 is a deficient number, since it is larger than the sum of its proper divisors (31747978).

42330628 is a wasteful number, since it uses less digits than its factorization.

42330628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10582661 (or 10582659 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42330628 is about 6506.1991976883. The cubic root of 42330628 is about 348.5124018951.

The spelling of 42330628 in words is "forty-two million, three hundred thirty thousand, six hundred twenty-eight".