70006889 has 4 divisors (see below), whose sum is σ = 70087056. Its totient is φ = 69926724.

The previous prime is 70006883. The next prime is 70006913. The reversal of 70006889 is 98860007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70006889 - 2⁸ = 70006633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70006883) 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 3 ways as a sum of consecutive naturals, for example, 38759 + ... + 40524.

It is an arithmetic number, because the mean of its divisors is an integer number (17521764).

Almost surely, 2^70006889 is an apocalyptic number.

It is an amenable number.

70006889 is a deficient number, since it is larger than the sum of its proper divisors (80167).

70006889 is an equidigital number, since it uses as much as digits as its factorization.

70006889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80166.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 70006889 is about 8367.0119517065. The cubic root of 70006889 is about 412.1420493157.

The spelling of 70006889 in words is "seventy million, six thousand, eight hundred eighty-nine".