709784064 has 360 divisors, whose sum is σ = 2405523120. Its totient is φ = 200724480.

The previous prime is 709784057. The next prime is 709784081. The reversal of 709784064 is 460487907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10593759 + ... + 10593825.

Almost surely, 2^709784064 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 709784064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202761560).

709784064 is an abundant number, since it is smaller than the sum of its proper divisors (1695739056).

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

709784064 is a wasteful number, since it uses less digits than its factorization.

709784064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 709784064 is about 26641.7729139785. The cubic root of 709784064 is about 892.0216903706.

The spelling of 709784064 in words is "seven hundred nine million, seven hundred eighty-four thousand, sixty-four".