729046 has 4 divisors (see below), whose sum is σ = 1093572. Its totient is φ = 364522.

The previous prime is 729041. The next prime is 729059. The reversal of 729046 is 640927.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182260 + ... + 182263.

It is an arithmetic number, because the mean of its divisors is an integer number (273393).

2⁷²⁹⁰⁴⁶ is an apocalyptic number.

729046 is a deficient number, since it is larger than the sum of its proper divisors (364526).

729046 is a wasteful number, since it uses less digits than its factorization.

729046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364525.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 729046 is about 853.8419057413. The cubic root of 729046 is about 90.0018929643.

The spelling of 729046 in words is "seven hundred twenty-nine thousand, forty-six".