709152768 has 78 divisors (see below), whose sum is σ = 2048519954. Its totient is φ = 236371968.

The previous prime is 709152749. The next prime is 709152793. The reversal of 709152768 is 867251907.

It can be written as a sum of positive squares in only one way, i.e., 479084544 + 230068224 = 21888^2 + 15168^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27246 + ... + 46482.

Almost surely, 2^709152768 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 709152768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024259977).

709152768 is an abundant number, since it is smaller than the sum of its proper divisors (1339367186).

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

709152768 is a wasteful number, since it uses less digits than its factorization.

709152768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267 (or 19242 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 709152768 is about 26629.9224182122. The cubic root of 709152768 is about 891.7571513419.

The spelling of 709152768 in words is "seven hundred nine million, one hundred fifty-two thousand, seven hundred sixty-eight".