605729728 has 112 divisors (see below), whose sum is σ = 1330452000. Its totient is φ = 272498688.

The previous prime is 605729711. The next prime is 605729753. The reversal of 605729728 is 827927506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3138400 + ... + 3138592.

Almost surely, 2^605729728 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 605729728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665226000).

605729728 is an abundant number, since it is smaller than the sum of its proper divisors (724722272).

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

605729728 is a wasteful number, since it uses less digits than its factorization.

605729728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 605729728 is about 24611.5771132205. The cubic root of 605729728 is about 846.1089640140.

The spelling of 605729728 in words is "six hundred five million, seven hundred twenty-nine thousand, seven hundred twenty-eight".