579742 has 4 divisors (see below), whose sum is σ = 869616. Its totient is φ = 289870.

The previous prime is 579737. The next prime is 579757. The reversal of 579742 is 247975.

579742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×579742² = 672201573128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 579698 and 579707.

It is a congruent number.

It is an unprimeable number.

579742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144934 + ... + 144937.

It is an arithmetic number, because the mean of its divisors is an integer number (217404).

2⁵⁷⁹⁷⁴² is an apocalyptic number.

579742 is a deficient number, since it is larger than the sum of its proper divisors (289874).

579742 is a wasteful number, since it uses less digits than its factorization.

579742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289873.

The product of its digits is 17640, while the sum is 34.

The square root of 579742 is about 761.4079064470. The cubic root of 579742 is about 83.3831417790.

The spelling of 579742 in words is "five hundred seventy-nine thousand, seven hundred forty-two".