70170 has 16 divisors (see below), whose sum is σ = 168480. Its totient is φ = 18704.

The previous prime is 70163. The next prime is 70177. The reversal of 70170 is 7107.

It is an interprime number because it is at equal distance from previous prime (70163) and next prime (70177).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (70177) 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, 1140 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (10530).

2⁷⁰¹⁷⁰ is an apocalyptic number.

70170 is an abundant number, since it is smaller than the sum of its proper divisors (98310).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84240).

70170 is a wasteful number, since it uses less digits than its factorization.

70170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 49, while the sum is 15.

The square root of 70170 is about 264.8962060883. The cubic root of 70170 is about 41.2461888123.

Adding to 70170 its reverse (7107), we get a palindrome (77277).

The spelling of 70170 in words is "seventy thousand, one hundred seventy", and thus it is an iban number.