42801686 has 8 divisors (see below), whose sum is σ = 64409904. Its totient is φ = 21331720.

The previous prime is 42801683. The next prime is 42801697. The reversal of 42801686 is 68610824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42801683) 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, 33785 + ... + 35028.

It is an arithmetic number, because the mean of its divisors is an integer number (8051238).

Almost surely, 2^42801686 is an apocalyptic number.

42801686 is a deficient number, since it is larger than the sum of its proper divisors (21608218).

42801686 is a wasteful number, since it uses less digits than its factorization.

42801686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69126.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 42801686 is about 6542.2997485594. The cubic root of 42801686 is about 349.8003923063.

The spelling of 42801686 in words is "forty-two million, eight hundred one thousand, six hundred eighty-six".