42030646 has 8 divisors (see below), whose sum is σ = 72052560. Its totient is φ = 18013128.

The previous prime is 42030629. The next prime is 42030649. The reversal of 42030646 is 64603024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42030646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501081 + ... + 1501108.

It is an arithmetic number, because the mean of its divisors is an integer number (9006570).

Almost surely, 2^42030646 is an apocalyptic number.

42030646 is a deficient number, since it is larger than the sum of its proper divisors (30021914).

42030646 is a wasteful number, since it uses less digits than its factorization.

42030646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002198.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42030646 is about 6483.1046574924. The cubic root of 42030646 is about 347.6871886263.

The spelling of 42030646 in words is "forty-two million, thirty thousand, six hundred forty-six".