729395 has 4 divisors (see below), whose sum is σ = 875280. Its totient is φ = 583512.

The previous prime is 729389. The next prime is 729403. The reversal of 729395 is 593927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593927 = 257 ⋅2311.

It is a cyclic number.

It is not a de Polignac number, because 729395 - 2⁶ = 729331 is a prime.

It is a plaindrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72935 + ... + 72944.

It is an arithmetic number, because the mean of its divisors is an integer number (218820).

2⁷²⁹³⁹⁵ is an apocalyptic number.

729395 is a deficient number, since it is larger than the sum of its proper divisors (145885).

729395 is a wasteful number, since it uses less digits than its factorization.

729395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145884.

The product of its digits is 17010, while the sum is 35.

The square root of 729395 is about 854.0462516749. The cubic root of 729395 is about 90.0162522090.

The spelling of 729395 in words is "seven hundred twenty-nine thousand, three hundred ninety-five".