709420 has 24 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 279552.

The previous prime is 709417. The next prime is 709421. The reversal of 709420 is 24907.

709420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 709391 and 709400.

It is not an unprimeable number, because it can be changed into a prime (709421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁷⁰⁹⁴²⁰ is an apocalyptic number.

It is an amenable number.

709420 is an abundant number, since it is smaller than the sum of its proper divisors (802580).

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

709420 is a wasteful number, since it uses less digits than its factorization.

709420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 709420 is about 842.2707403205. The cubic root of 709420 is about 89.1869151713.

The spelling of 709420 in words is "seven hundred nine thousand, four hundred twenty".