709807322472 has 128 divisors (see below), whose sum is σ = 1880008185600. Its totient is φ = 222994688000.

The previous prime is 709807322461. The next prime is 709807322507. The reversal of 709807322472 is 274223708907.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4919908 + ... + 5062124.

It is an arithmetic number, because the mean of its divisors is an integer number (14687563950).

Almost surely, 2^709807322472 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 709807322472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940004092800).

709807322472 is an abundant number, since it is smaller than the sum of its proper divisors (1170200863128).

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

709807322472 is a wasteful number, since it uses less digits than its factorization.

709807322472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142427 (or 142423 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 709807322472 in words is "seven hundred nine billion, eight hundred seven million, three hundred twenty-two thousand, four hundred seventy-two".