729794 has 8 divisors (see below), whose sum is σ = 1178940. Its totient is φ = 336816.

The previous prime is 729791. The next prime is 729821. The reversal of 729794 is 497927.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 113569 = 785^2 + 337^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (729791) 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, 14009 + ... + 14060.

2⁷²⁹⁷⁹⁴ is an apocalyptic number.

729794 is a deficient number, since it is larger than the sum of its proper divisors (449146).

729794 is a wasteful number, since it uses less digits than its factorization.

729794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28084.

The product of its digits is 31752, while the sum is 38.

The square root of 729794 is about 854.2798136442. The cubic root of 729794 is about 90.0326630415.

The spelling of 729794 in words is "seven hundred twenty-nine thousand, seven hundred ninety-four".