974579 has 4 divisors (see below), whose sum is σ = 1016976. Its totient is φ = 932184.

The previous prime is 974563. The next prime is 974581. The reversal of 974579 is 975479.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975479 = 19 ⋅51341.

It is a cyclic number.

It is not a de Polignac number, because 974579 - 2⁴ = 974563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974539) 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, 21164 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (254244).

2⁹⁷⁴⁵⁷⁹ is an apocalyptic number.

974579 is a deficient number, since it is larger than the sum of its proper divisors (42397).

974579 is a wasteful number, since it uses less digits than its factorization.

974579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42396.

The product of its digits is 79380, while the sum is 41.

The square root of 974579 is about 987.2076782521. The cubic root of 974579 is about 99.1453498736.

Subtracting 974579 from its reverse (975479), we obtain a square (900 = 30²).

The spelling of 974579 in words is "nine hundred seventy-four thousand, five hundred seventy-nine".