70063009 has 4 divisors (see below), whose sum is σ = 70080660. Its totient is φ = 70045360.

The previous prime is 70062989. The next prime is 70063057. The reversal of 70063009 is 90036007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35664784 + 34398225 = 5972^2 + 5865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70063009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70063079) 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, 219 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (17520165).

Almost surely, 2^70063009 is an apocalyptic number.

It is an amenable number.

70063009 is a deficient number, since it is larger than the sum of its proper divisors (17651).

70063009 is a wasteful number, since it uses less digits than its factorization.

70063009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17650.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 70063009 is about 8370.3649263339. The cubic root of 70063009 is about 412.2521491189.

The spelling of 70063009 in words is "seventy million, sixty-three thousand, nine".