709056 has 42 divisors (see below), whose sum is σ = 2034032. Its totient is φ = 236160.

The previous prime is 709043. The next prime is 709057. The reversal of 709056 is 650907.

It is a super-2 number, since 2×709056² = 1005520822272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709057) by changing a digit.

709056 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 5 ways as a sum of consecutive naturals, for example, 40 + ... + 1191.

2⁷⁰⁹⁰⁵⁶ 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 709056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017016).

709056 is an abundant number, since it is smaller than the sum of its proper divisors (1324976).

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

709056 is a wasteful number, since it uses less digits than its factorization.

709056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 709056 is about 842.0546300567. The cubic root of 709056 is about 89.1716587688.

The spelling of 709056 in words is "seven hundred nine thousand, fifty-six".