729051 has 8 divisors (see below), whose sum is σ = 985680. Its totient is φ = 479232.

The previous prime is 729041. The next prime is 729059. The reversal of 729051 is 150927.

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

It is not a de Polignac number, because 729051 - 2⁵ = 729019 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (729059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (123210).

2⁷²⁹⁰⁵¹ is an apocalyptic number.

729051 is a deficient number, since it is larger than the sum of its proper divisors (256629).

729051 is a wasteful number, since it uses less digits than its factorization.

729051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 729051 is about 853.8448336788. The cubic root of 729051 is about 90.0020987165.

Adding to 729051 its reverse (150927), we get a palindrome (879978).

The spelling of 729051 in words is "seven hundred twenty-nine thousand, fifty-one".