709807641 has 16 divisors (see below), whose sum is σ = 965188224. Its totient is φ = 463833344.

The previous prime is 709807633. The next prime is 709807723. The reversal of 709807641 is 146708907.

709807641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 709807641 - 2³ = 709807633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 709807593 and 709807602.

It is not an unprimeable number, because it can be changed into a prime (709807601) 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, 292465 + ... + 294881.

It is an arithmetic number, because the mean of its divisors is an integer number (60324264).

Almost surely, 2^709807641 is an apocalyptic number.

It is an amenable number.

709807641 is a deficient number, since it is larger than the sum of its proper divisors (255380583).

709807641 is a wasteful number, since it uses less digits than its factorization.

709807641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 709807641 is about 26642.2153921178. The cubic root of 709807641 is about 892.0315670657.

The spelling of 709807641 in words is "seven hundred nine million, eight hundred seven thousand, six hundred forty-one".