70309589 has 8 divisors (see below), whose sum is σ = 80804160. Its totient is φ = 59927616.

The previous prime is 70309579. The next prime is 70309607. The reversal of 70309589 is 98590307.

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

It is not a de Polignac number, because 70309589 - 2¹² = 70305493 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 (70309529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26804 + ... + 29309.

It is an arithmetic number, because the mean of its divisors is an integer number (10100520).

Almost surely, 2^70309589 is an apocalyptic number.

It is an amenable number.

70309589 is a deficient number, since it is larger than the sum of its proper divisors (10494571).

70309589 is a wasteful number, since it uses less digits than its factorization.

70309589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56299.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 70309589 is about 8385.0813353241. The cubic root of 70309589 is about 412.7352100864.

The spelling of 70309589 in words is "seventy million, three hundred nine thousand, five hundred eighty-nine".