789720 has 32 divisors (see below), whose sum is σ = 2369520. Its totient is φ = 210560.

The previous prime is 789713. The next prime is 789721. The reversal of 789720 is 27987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789721) by changing a digit.

789720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 3410.

2⁷⁸⁹⁷²⁰ is an apocalyptic number.

It is an amenable number.

789720 is an abundant number, since it is smaller than the sum of its proper divisors (1579800).

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

789720 is a wasteful number, since it uses less digits than its factorization.

789720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595 (or 6591 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 789720 is about 888.6619154662. The cubic root of 789720 is about 92.4324317854.

The spelling of 789720 in words is "seven hundred eighty-nine thousand, seven hundred twenty".