170340768 has 72 divisors (see below), whose sum is σ = 521680068. Its totient is φ = 52411392.

The previous prime is 170340767. The next prime is 170340769. The reversal of 170340768 is 867043071.

It is an interprime number because it is at equal distance from previous prime (170340767) and next prime (170340769).

It can be written as a sum of positive squares in 2 ways, for example, as 147185424 + 23155344 = 12132^2 + 4812^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (170340767) 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 11 ways as a sum of consecutive naturals, for example, 19005 + ... + 26492.

Almost surely, 2^170340768 is an apocalyptic number.

170340768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

170340768 is an abundant number, since it is smaller than the sum of its proper divisors (351339300).

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

170340768 is a wasteful number, since it uses less digits than its factorization.

170340768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45526 (or 45515 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 170340768 is about 13051.4661245394. The cubic root of 170340768 is about 554.3357233877.

The spelling of 170340768 in words is "one hundred seventy million, three hundred forty thousand, seven hundred sixty-eight".