70012189 has 8 divisors (see below), whose sum is σ = 75495672. Its totient is φ = 64542720.

The previous prime is 70012157. The next prime is 70012231. The reversal of 70012189 is 98121007.

It can be written as a sum of positive squares in 4 ways, for example, as 156025 + 69856164 = 395^2 + 8358^2 .

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 70012189 - 2⁵ = 70012157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70012139) 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, 8397 + ... + 14509.

It is an arithmetic number, because the mean of its divisors is an integer number (9436959).

Almost surely, 2^70012189 is an apocalyptic number.

It is an amenable number.

70012189 is a deficient number, since it is larger than the sum of its proper divisors (5483483).

70012189 is a wasteful number, since it uses less digits than its factorization.

70012189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 70012189 is about 8367.3286657093. The cubic root of 70012189 is about 412.1524497099.

The spelling of 70012189 in words is "seventy million, twelve thousand, one hundred eighty-nine".