609882720 has 96 divisors (see below), whose sum is σ = 2004694272. Its totient is φ = 155561472.

The previous prime is 609882703. The next prime is 609882727. The reversal of 609882720 is 27288906.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609882727) 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, 16582 + ... + 38661.

It is an arithmetic number, because the mean of its divisors is an integer number (20882232).

Almost surely, 2^609882720 is an apocalyptic number.

609882720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609882720 is an abundant number, since it is smaller than the sum of its proper divisors (1394811552).

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

609882720 is a wasteful number, since it uses less digits than its factorization.

609882720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55284 (or 55276 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 609882720 is about 24695.8036921255. The cubic root of 609882720 is about 848.0382532880.

The spelling of 609882720 in words is "six hundred nine million, eight hundred eighty-two thousand, seven hundred twenty".