734239 has 4 divisors (see below), whose sum is σ = 801000. Its totient is φ = 667480.

The previous prime is 734233. The next prime is 734263. The reversal of 734239 is 932437.

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

It is not a de Polignac number, because 734239 - 2⁵ = 734207 is a prime.

It is a Duffinian number.

734239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734233) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 33364 + ... + 33385.

It is an arithmetic number, because the mean of its divisors is an integer number (200250).

2⁷³⁴²³⁹ is an apocalyptic number.

734239 is a deficient number, since it is larger than the sum of its proper divisors (66761).

734239 is a wasteful number, since it uses less digits than its factorization.

734239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66760.

The product of its digits is 4536, while the sum is 28.

The square root of 734239 is about 856.8774708207. The cubic root of 734239 is about 90.2150822940.

It can be divided in two parts, 7342 and 39, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 734239 in words is "seven hundred thirty-four thousand, two hundred thirty-nine".