42170282 has 24 divisors (see below), whose sum is σ = 80274240. Its totient is φ = 16429560.

The previous prime is 42170257. The next prime is 42170299. The reversal of 42170282 is 28207124.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18482 + ... + 20637.

It is an arithmetic number, because the mean of its divisors is an integer number (3344760).

Almost surely, 2^42170282 is an apocalyptic number.

42170282 is a deficient number, since it is larger than the sum of its proper divisors (38103958).

42170282 is a wasteful number, since it uses less digits than its factorization.

42170282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39146 (or 39139 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 42170282 is about 6493.8649508594. The cubic root of 42170282 is about 348.0717967423.

The spelling of 42170282 in words is "forty-two million, one hundred seventy thousand, two hundred eighty-two".