170100042 has 32 divisors (see below), whose sum is σ = 405706752. Its totient is φ = 46486704.

The previous prime is 170100041. The next prime is 170100067. The reversal of 170100042 is 240001071.

It is a junction number, because it is equal to n+sod(n) for n = 170099994 and 170100030.

It is not an unprimeable number, because it can be changed into a prime (170100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87078 + ... + 89009.

It is an arithmetic number, because the mean of its divisors is an integer number (12678336).

Almost surely, 2^170100042 is an apocalyptic number.

170100042 is an abundant number, since it is smaller than the sum of its proper divisors (235606710).

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

170100042 is a wasteful number, since it uses less digits than its factorization.

170100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176122.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 170100042 is about 13042.2406817234. The cubic root of 170100042 is about 554.0744707372.

The spelling of 170100042 in words is "one hundred seventy million, one hundred thousand, forty-two".