42966217 has 16 divisors (see below), whose sum is σ = 50918400. Its totient is φ = 35478720.

The previous prime is 42966211. The next prime is 42966221. The reversal of 42966217 is 71266924.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42966217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42966211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84159 + ... + 84667.

It is an arithmetic number, because the mean of its divisors is an integer number (3182400).

Almost surely, 2^42966217 is an apocalyptic number.

It is an amenable number.

42966217 is a deficient number, since it is larger than the sum of its proper divisors (7952183).

42966217 is a wasteful number, since it uses less digits than its factorization.

42966217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its digits is 36288, while the sum is 37.

The square root of 42966217 is about 6554.8620885569. The cubic root of 42966217 is about 350.2480337088.

The spelling of 42966217 in words is "forty-two million, nine hundred sixty-six thousand, two hundred seventeen".