729354 has 8 divisors (see below), whose sum is σ = 1458720. Its totient is φ = 243116.

The previous prime is 729331. The next prime is 729359. The reversal of 729354 is 453927.

It is a sphenic number, since it is the product of 3 distinct primes.

729354 is an admirable number.

It is a super-4 number, since 4×729354⁴ (a number of 25 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 7⁶ + 2¹¹ + 3³ + 9⁶ + 5⁷ + 4³ .

It is not an unprimeable number, because it can be changed into a prime (729359) by changing a digit.

729354 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60774 + ... + 60785.

It is an arithmetic number, because the mean of its divisors is an integer number (182340).

2⁷²⁹³⁵⁴ is an apocalyptic number.

729354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729354 is a wasteful number, since it uses less digits than its factorization.

729354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121564.

The product of its digits is 7560, while the sum is 30.

The square root of 729354 is about 854.0222479538. The cubic root of 729354 is about 90.0145655438.

The spelling of 729354 in words is "seven hundred twenty-nine thousand, three hundred fifty-four".