42663670 has 32 divisors (see below), whose sum is σ = 88252416. Its totient is φ = 14546400.

The previous prime is 42663661. The next prime is 42663671. The reversal of 42663670 is 7636624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42663671) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11775 + ... + 14965.

It is an arithmetic number, because the mean of its divisors is an integer number (2757888).

Almost surely, 2^42663670 is an apocalyptic number.

42663670 is an abundant number, since it is smaller than the sum of its proper divisors (45588746).

42663670 is a wasteful number, since it uses less digits than its factorization.

42663670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 42663670 is about 6531.7432588858. The cubic root of 42663670 is about 349.4240049859.

The spelling of 42663670 in words is "forty-two million, six hundred sixty-three thousand, six hundred seventy".