734968209 has 4 divisors (see below), whose sum is σ = 979957616. Its totient is φ = 489978804.

The previous prime is 734968207. The next prime is 734968219. The reversal of 734968209 is 902869437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 902869437 = 3 ⋅300956479.

It is not a de Polignac number, because 734968209 - 2¹ = 734968207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734968207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122494699 + ... + 122494704.

It is an arithmetic number, because the mean of its divisors is an integer number (244989404).

Almost surely, 2^734968209 is an apocalyptic number.

It is an amenable number.

734968209 is a deficient number, since it is larger than the sum of its proper divisors (244989407).

734968209 is a wasteful number, since it uses less digits than its factorization.

734968209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244989406.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 734968209 is about 27110.2971027615. The cubic root of 734968209 is about 902.4493809645.

The spelling of 734968209 in words is "seven hundred thirty-four million, nine hundred sixty-eight thousand, two hundred nine".