729354228 has 48 divisors (see below), whose sum is σ = 1749242880. Its totient is φ = 236437344.

The previous prime is 729354221. The next prime is 729354239. The reversal of 729354228 is 822453927.

It is a self number, because there is not a number n which added to its sum of digits gives 729354228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729354221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57775 + ... + 69257.

It is an arithmetic number, because the mean of its divisors is an integer number (36442560).

Almost surely, 2^729354228 is an apocalyptic number.

It is an amenable number.

729354228 is an abundant number, since it is smaller than the sum of its proper divisors (1019888652).

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

729354228 is a wasteful number, since it uses less digits than its factorization.

729354228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636 (or 11634 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 729354228 is about 27006.5589811068. The cubic root of 729354228 is about 900.1457492351.

The spelling of 729354228 in words is "seven hundred twenty-nine million, three hundred fifty-four thousand, two hundred twenty-eight".