729042 has 8 divisors (see below), whose sum is σ = 1458096. Its totient is φ = 243012.

The previous prime is 729041. The next prime is 729059. The reversal of 729042 is 240927.

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

729042 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 729042.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60748 + ... + 60759.

It is an arithmetic number, because the mean of its divisors is an integer number (182262).

2⁷²⁹⁰⁴² is an apocalyptic number.

729042 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.

729042 is a wasteful number, since it uses less digits than its factorization.

729042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121512.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 729042 is about 853.8395633841. The cubic root of 729042 is about 90.0017283619.

Adding to 729042 its reverse (240927), we get a palindrome (969969).

The spelling of 729042 in words is "seven hundred twenty-nine thousand, forty-two".