42668698 has 8 divisors (see below), whose sum is σ = 64507392. Its totient is φ = 21166236.

The previous prime is 42668693. The next prime is 42668713. The reversal of 42668698 is 89686624.

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

It is not an unprimeable number, because it can be changed into a prime (42668693) 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, 83740 + ... + 84247.

It is an arithmetic number, because the mean of its divisors is an integer number (8063424).

Almost surely, 2^42668698 is an apocalyptic number.

42668698 is a deficient number, since it is larger than the sum of its proper divisors (21838694).

42668698 is a wasteful number, since it uses less digits than its factorization.

42668698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168116.

The product of its digits is 995328, while the sum is 49.

The square root of 42668698 is about 6532.1281371388. The cubic root of 42668698 is about 349.4377312225.

The spelling of 42668698 in words is "forty-two million, six hundred sixty-eight thousand, six hundred ninety-eight".