729903204 has 96 divisors (see below), whose sum is σ = 1967750400. Its totient is φ = 233694720.

The previous prime is 729903173. The next prime is 729903263. The reversal of 729903204 is 402309927.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754329 + ... + 755295.

It is an arithmetic number, because the mean of its divisors is an integer number (20497400).

Almost surely, 2^729903204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 729903204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983875200).

729903204 is an abundant number, since it is smaller than the sum of its proper divisors (1237847196).

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

729903204 is a wasteful number, since it uses less digits than its factorization.

729903204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 729903204 is about 27016.7208224832. The cubic root of 729903204 is about 900.3715354915.

The spelling of 729903204 in words is "seven hundred twenty-nine million, nine hundred three thousand, two hundred four".