709026560 has 144 divisors (see below), whose sum is σ = 1904206752. Its totient is φ = 250675200.

The previous prime is 709026533. The next prime is 709026569. The reversal of 709026560 is 65620907.

It is a self number, because there is not a number n which added to its sum of digits gives 709026560.

It is not an unprimeable number, because it can be changed into a prime (709026569) 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, 520280 + ... + 521640.

It is an arithmetic number, because the mean of its divisors is an integer number (13223658).

Almost surely, 2^709026560 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 709026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952103376).

709026560 is an abundant number, since it is smaller than the sum of its proper divisors (1195180192).

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

709026560 is a wasteful number, since it uses less digits than its factorization.

709026560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 709026560 is about 26627.5526475867. The cubic root of 709026560 is about 891.7042461622.

The spelling of 709026560 in words is "seven hundred nine million, twenty-six thousand, five hundred sixty".