70409589 has 8 divisors (see below), whose sum is σ = 93920832. Its totient is φ = 46919040.

The previous prime is 70409569. The next prime is 70409609. The reversal of 70409589 is 98590407.

It is an interprime number because it is at equal distance from previous prime (70409569) and next prime (70409609).

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

It is not a de Polignac number, because 70409589 - 2⁹ = 70409077 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 70409589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70409569) 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, 6592 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (11740104).

Almost surely, 2^70409589 is an apocalyptic number.

It is an amenable number.

70409589 is a deficient number, since it is larger than the sum of its proper divisors (23511243).

70409589 is a wasteful number, since it uses less digits than its factorization.

70409589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70409589 is about 8391.0421879526. The cubic root of 70409589 is about 412.9307925550.

The spelling of 70409589 in words is "seventy million, four hundred nine thousand, five hundred eighty-nine".