729329854 has 16 divisors (see below), whose sum is σ = 1199514096. Its totient is φ = 329828800.

The previous prime is 729329851. The next prime is 729329893. The reversal of 729329854 is 458923927.

It is a super-2 number, since 2×729329854² = 1063844071871322632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 729329798 and 729329807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729329851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79807 + ... + 88474.

It is an arithmetic number, because the mean of its divisors is an integer number (74969631).

Almost surely, 2^729329854 is an apocalyptic number.

729329854 is a deficient number, since it is larger than the sum of its proper divisors (470184242).

729329854 is a wasteful number, since it uses less digits than its factorization.

729329854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168491.

The product of its digits is 1088640, while the sum is 49.

The square root of 729329854 is about 27006.1077165889. The cubic root of 729329854 is about 900.1357219186.

The spelling of 729329854 in words is "seven hundred twenty-nine million, three hundred twenty-nine thousand, eight hundred fifty-four".