609702320 has 80 divisors (see below), whose sum is σ = 1455984192. Its totient is φ = 237358080.

The previous prime is 609702299. The next prime is 609702337. The reversal of 609702320 is 23207906.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502034 + ... + 503246.

Almost surely, 2^609702320 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 609702320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727992096).

609702320 is an abundant number, since it is smaller than the sum of its proper divisors (846281872).

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

609702320 is a wasteful number, since it uses less digits than its factorization.

609702320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 609702320 is about 24692.1509796129. The cubic root of 609702320 is about 847.9546300041.

The spelling of 609702320 in words is "six hundred nine million, seven hundred two thousand, three hundred twenty".