70189 has 8 divisors (see below), whose sum is σ = 82688. Its totient is φ = 58320.

The previous prime is 70183. The next prime is 70199. The reversal of 70189 is 98107.

70189 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70189 - 2³ = 70181 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

70189 is a modest number, since divided by 189 gives 70 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124 + ... + 394.

It is an arithmetic number, because the mean of its divisors is an integer number (10336).

2⁷⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

70189 is a deficient number, since it is larger than the sum of its proper divisors (12499).

70189 is a wasteful number, since it uses less digits than its factorization.

70189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 70189 is about 264.9320667643. The cubic root of 70189 is about 41.2499112334.

The spelling of 70189 in words is "seventy thousand, one hundred eighty-nine".