170172002 has 48 divisors (see below), whose sum is σ = 348872832. Its totient is φ = 61195680.

The previous prime is 170171993. The next prime is 170172043. The reversal of 170172002 is 200271071.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7943 + ... + 20085.

It is an arithmetic number, because the mean of its divisors is an integer number (7268184).

Almost surely, 2^170172002 is an apocalyptic number.

170172002 is an abundant number, since it is smaller than the sum of its proper divisors (178700830).

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

170172002 is a wasteful number, since it uses less digits than its factorization.

170172002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12183 (or 12176 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 170172002 is about 13044.9991184362. Note that the first 3 decimals coincide. The cubic root of 170172002 is about 554.1525925635.

The spelling of 170172002 in words is "one hundred seventy million, one hundred seventy-two thousand, two".