170042000 has 40 divisors (see below), whose sum is σ = 411166392. Its totient is φ = 68016000.

The previous prime is 170041987. The next prime is 170042003. The reversal of 170042000 is 240071.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13191424 + 156850576 = 3632^2 + 12524^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (170042003) 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, 40511 + ... + 44510.

Almost surely, 2^170042000 is an apocalyptic number.

170042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170042000 is an abundant number, since it is smaller than the sum of its proper divisors (241124392).

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

170042000 is an equidigital number, since it uses as much as digits as its factorization.

170042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85044 (or 85028 counting only the distinct ones).

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

The square root of 170042000 is about 13040.0153374143. The cubic root of 170042000 is about 554.0114426340.

Adding to 170042000 its reverse (240071), we get a palindrome (170282071).

The spelling of 170042000 in words is "one hundred seventy million, forty-two thousand".