70559 has 4 divisors (see below), whose sum is σ = 72504. Its totient is φ = 68616.

The previous prime is 70549. The next prime is 70571. The reversal of 70559 is 95507.

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

It is a cyclic number.

It is not a de Polignac number, because 70559 - 2¹² = 66463 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (18126).

2⁷⁰⁵⁵⁹ is an apocalyptic number.

70559 is a deficient number, since it is larger than the sum of its proper divisors (1945).

70559 is a wasteful number, since it uses less digits than its factorization.

70559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 70559 is about 265.6294411393. The cubic root of 70559 is about 41.3222669530.

The spelling of 70559 in words is "seventy thousand, five hundred fifty-nine".