42170046 has 8 divisors (see below), whose sum is σ = 84340104. Its totient is φ = 14056680.

The previous prime is 42170041. The next prime is 42170053. The reversal of 42170046 is 64007124.

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

42170046 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42169998 and 42170025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42170041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514165 + ... + 3514176.

It is an arithmetic number, because the mean of its divisors is an integer number (10542513).

Almost surely, 2^42170046 is an apocalyptic number.

42170046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42170046 is a wasteful number, since it uses less digits than its factorization.

42170046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028346.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42170046 is about 6493.8467798370. The cubic root of 42170046 is about 348.0711474296.

The spelling of 42170046 in words is "forty-two million, one hundred seventy thousand, forty-six".