320734 has 4 divisors (see below), whose sum is σ = 481104. Its totient is φ = 160366.

The previous prime is 320713. The next prime is 320741. The reversal of 320734 is 437023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437023 = 23 ⋅19001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80182 + ... + 80185.

It is an arithmetic number, because the mean of its divisors is an integer number (120276).

2³²⁰⁷³⁴ is an apocalyptic number.

320734 is a deficient number, since it is larger than the sum of its proper divisors (160370).

320734 is a wasteful number, since it uses less digits than its factorization.

320734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160369.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 320734 is about 566.3338238177. Note that the first 3 decimals coincide. The cubic root of 320734 is about 68.4512946971.

Adding to 320734 its reverse (437023), we get a palindrome (757757).

The spelling of 320734 in words is "three hundred twenty thousand, seven hundred thirty-four".