70579 has 4 divisors (see below), whose sum is σ = 71176. Its totient is φ = 69984.

The previous prime is 70573. The next prime is 70583. The reversal of 70579 is 97507.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97507 = 281 ⋅347.

It is a 5-Lehmer number, since φ(70579) divides (70579-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 70579 - 2³ = 70571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70571) 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, 54 + ... + 379.

It is an arithmetic number, because the mean of its divisors is an integer number (17794).

2⁷⁰⁵⁷⁹ is an apocalyptic number.

70579 is a deficient number, since it is larger than the sum of its proper divisors (597).

70579 is a wasteful number, since it uses less digits than its factorization.

70579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 70579 is about 265.6670849014. The cubic root of 70579 is about 41.3261708597.

Adding to 70579 its sum of digits (28), we get a palindrome (70607).

It can be divided in two parts, 705 and 79, that added together give a square (784 = 28²).

The spelling of 70579 in words is "seventy thousand, five hundred seventy-nine".