42294917 has 8 divisors (see below), whose sum is σ = 49156800. Its totient is φ = 35637984.

The previous prime is 42294911. The next prime is 42294919. The reversal of 42294917 is 71949224.

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 42294917 - 2¹⁰ = 42293893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42294911) 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, 50792 + ... + 51617.

It is an arithmetic number, because the mean of its divisors is an integer number (6144600).

Almost surely, 2^42294917 is an apocalyptic number.

It is an amenable number.

42294917 is a deficient number, since it is larger than the sum of its proper divisors (6861883).

42294917 is a wasteful number, since it uses less digits than its factorization.

42294917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102475.

The product of its digits is 36288, while the sum is 38.

The square root of 42294917 is about 6503.4542360195. The cubic root of 42294917 is about 348.4143702142.

The spelling of 42294917 in words is "forty-two million, two hundred ninety-four thousand, nine hundred seventeen".