729002 has 8 divisors (see below), whose sum is σ = 1131300. Its totient is φ = 351904.

The previous prime is 728993. The next prime is 729019. The reversal of 729002 is 200927.

It can be written as a sum of positive squares in 2 ways, for example, as 638401 + 90601 = 799^2 + 301^2 .

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

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, 6227 + ... + 6342.

729002 is a Friedman number, since it can be written as 90^(7^0+2)+2, using all its digits and the basic arithmetic operations.

2⁷²⁹⁰⁰² is an apocalyptic number.

729002 is a deficient number, since it is larger than the sum of its proper divisors (402298).

729002 is a wasteful number, since it uses less digits than its factorization.

729002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 729002 is about 853.8161394586. The cubic root of 729002 is about 90.0000823045. Note that the first 4 decimals are identical.

Adding to 729002 its reverse (200927), we get a palindrome (929929).

The spelling of 729002 in words is "seven hundred twenty-nine thousand, two".