42201678 has 16 divisors (see below), whose sum is σ = 84923136. Its totient is φ = 13980600.

The previous prime is 42201673. The next prime is 42201689. The reversal of 42201678 is 87610224.

42201678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20598 + ... + 22553.

It is an arithmetic number, because the mean of its divisors is an integer number (5307696).

Almost surely, 2^42201678 is an apocalyptic number.

42201678 is an abundant number, since it is smaller than the sum of its proper divisors (42721458).

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

42201678 is a wasteful number, since it uses less digits than its factorization.

42201678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43319.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 42201678 is about 6496.2818596486. The cubic root of 42201678 is about 348.1581557510.

The spelling of 42201678 in words is "forty-two million, two hundred one thousand, six hundred seventy-eight".