42094217 has 8 divisors (see below), whose sum is σ = 46395552. Its totient is φ = 37872000.

The previous prime is 42094211. The next prime is 42094229. The reversal of 42094217 is 71249024.

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

It is a cyclic number.

It is not a de Polignac number, because 42094217 - 2¹⁸ = 41832073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42094217.

It is not an unprimeable number, because it can be changed into a prime (42094211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18659 + ... + 20792.

It is an arithmetic number, because the mean of its divisors is an integer number (5799444).

Almost surely, 2^42094217 is an apocalyptic number.

It is an amenable number.

42094217 is a deficient number, since it is larger than the sum of its proper divisors (4301335).

42094217 is a wasteful number, since it uses less digits than its factorization.

42094217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39559.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 42094217 is about 6488.0056257682. The cubic root of 42094217 is about 347.8623916451.

The spelling of 42094217 in words is "forty-two million, ninety-four thousand, two hundred seventeen".