42017000 has 32 divisors (see below), whose sum is σ = 98322120. Its totient is φ = 16806400.

The previous prime is 42016963. The next prime is 42017023. The reversal of 42017000 is 71024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5317636 + 36699364 = 2306^2 + 6058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20009 + ... + 22008.

Almost surely, 2^42017000 is an apocalyptic number.

42017000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42017000 is an abundant number, since it is smaller than the sum of its proper divisors (56305120).

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

42017000 is a wasteful number, since it uses less digits than its factorization.

42017000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42038 (or 42024 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 42017000 is about 6482.0521441901. The cubic root of 42017000 is about 347.6495569346.

Adding to 42017000 its reverse (71024), we get a palindrome (42088024).

The spelling of 42017000 in words is "forty-two million, seventeen thousand".