709536 has 48 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 223488.

The previous prime is 709531. The next prime is 709537. The reversal of 709536 is 635907.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (709531) 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, 1630 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (40950).

2⁷⁰⁹⁵³⁶ is an apocalyptic number.

709536 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982800).

709536 is an abundant number, since it is smaller than the sum of its proper divisors (1256064).

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

709536 is a wasteful number, since it uses less digits than its factorization.

709536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 709536 is about 842.3395989742. The cubic root of 709536 is about 89.1917760052.

The spelling of 709536 in words is "seven hundred nine thousand, five hundred thirty-six".