729702 has 16 divisors (see below), whose sum is σ = 1621680. Its totient is φ = 243216.

The previous prime is 729689. The next prime is 729713. The reversal of 729702 is 207927.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

729702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (101355).

2⁷²⁹⁷⁰² is an apocalyptic number.

729702 is an abundant number, since it is smaller than the sum of its proper divisors (891978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729702 is a wasteful number, since it uses less digits than its factorization.

729702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13524 (or 13518 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 729702 is about 854.2259654213. The cubic root of 729702 is about 90.0288796209.

It can be divided in two parts, 729 and 702, that added together give a triangular number (1431 = T₅₃).

The spelling of 729702 in words is "seven hundred twenty-nine thousand, seven hundred two".